The 3D Toolkit provides algorithms and methods to process 3D point clouds
2018
cc++rosopencv+2 more
52° North
Science and medicineInnovative ideas & technologies in geoinformatics
20262025202420232022202120202019+3
javascriptjavaweb servicesogc standards+7 more
Scan code for origin, license and vulnerabilities
20262025202420232022202120202019+1
pythonjavascriptcc+++11 more
Accord
Programming languagesOpen source software for smart legal contracts
20262025202420212020
javascriptreactcompilerocaml+4 more
AerospaceResearch.net
Science and medicinemaking space together
20212020201920182017
pythoncc++vhdl+6 more
State of the art fuzzing for better security
2026202520242023202220212020
cc++llvmfuzzing+4 more
aimacode
Programming languagesCode for the book "Artificial Intelligence: A Modern Approach"
2019201820172016
pythonjavascriptjavamachine learning+4 more
Alaska
Science and medicineMany Traditions, One Alaska
202620252024
pythonmysqljavamatlab+1 more
Making Home Networking and Storage Simple
2020201920182017
androidruby on railsgolangrestful api+5 more
AnitaB.org Open Source
OtherWomen transform technology. Technology transforms the world.
2020
pythonjavascriptandroidios
AnkiDroid
End user applicationsAnkiDroid makes remembering things easy
20262025202420222021
javascriptandroidjavagradle+3 more
AOSSIE
End user applicationsAustralian Umbrella Org for Open-Source Projects
20262025202420232022202120202019+3
pythonpostgresqlllvmscala+17 more
Apertium
Science and medicineA free/open-source machine translation platform
20242023202120202019201820172016
pythonperlc++xml+5 more
Apertus Association
Science and medicineopen source cinema
202220212020201920182017
clinuxfpgac+++5 more
API Client Tools at Google
Programming languagesIndustry-leading user experiences for networked APIs.
2019
restopenapigrpcprotocol buffers+1 more
API Dash
Development toolsNext-gen AI powered Open Source API DevTool
202620252024
flutterapiaidart+4 more
A modern open source rendering engine for animation and visual effects
2020201920182017
pythonc++qtc+2 more
ArchC
Programming languagesArchC is an Architecture Description Language
2016
pythonc++archc
Arduino
Programming languagesOpen source electronic prototyping platform
2020
cc++golangarduino
ArduPilot
Science and medicineWorld's most advanced autonomous vehicle software
20262025202420232022202120202019+2
pythonrosc++embedded+7 more
ASCEND
Science and medicineEquation-solving software for engineering system modelling
2016
cpythonc++
AsyncAPI
Programming languagesBuilding the future of Event-Driven Architectures
20252024
javascriptjavagotypescript+1 more
Audacity
End user applicationsFree, open source, cross-platform audio software
20222021
c++qtcmakewxwidgets+1 more
Babel
Programming languagesBabel, the community driven compiler for writing next generation JavaScript
2017
javascriptnode.jsbabel
Bazel
Programming languagesBuild and test software of any size, quickly and reliably
20192017
linuxjavagoc+3 more
BeagleBoard.org
Science and medicineOpen hardware computing for educators and makers
20252024202320222021202020192018+2
cpythonlinuxjavascript+15 more
Beam Community
Programming languagesFrom distributed systems, to robust servers and language design on the Erlang VM
201820172016
xmpperlangelixirbeam+2 more
BeeWare
Programming languagesTools for cross-platform Python application development.
20182017
pythonandroidiosmobile+2 more
Bench-Routes
End user applicationsBench-routes is an open-source project to analyze performance and monitor APIs.
2021
reactgolangdocker
Berkman Klein Center for Internet and Society
OtherExploring cyberspace, sharing in its study, & helping to pioneer its development
2019201820172016
javascriptruby on railsgometeor.js+6 more
BioGears
Science and medicineARA is an employee-owned scientific research and engineering company.
2020
pythoncc++cmake+1 more
BioJS
Science and medicineBioJS is an open source project that visualizes biological data using JavaScript
2016
pythonjavascript
Biomedical Informatics, Emory University
Science and medicineDepartment of Biomedical Informatics (BMI), Emory University School of Medicine
20192016
pythonjavadeep learningmedical imaging+2 more
Blender
End user applicationsThe Freedom to Create
20262025202420232022202120202019+3
cpythonopenglc+++2 more
An ECMAScript engine written in Rust
2026
javascriptrust
Boost C++ Libraries
Programming languagesBoost provides free peer-reviewed portable C++ source libraries
20212020201920182017
c++c++11c++14boost+3 more
Boston University / XIA
Infrastructure and cloudCrowdsourcing the future Internet
201820172016
clinux kernelxiaadvanced data structures+1 more
3D CAD & other computer-aided tech (CAx)
20262025202420232022202120202019+3
pythoncc++opengl+6 more
BuildmLearn
End user applicationsBuilding m-Learning applications
2016
pythondjangobootstrapandroid
Buildroot
Programming languagesMaking Embedded Linux easy
2019
pythonshellgnu makekconfig
C2SI
End user applicationsC2SI develops FOSS softwares for everyone!!!
20262024
pythonjavagonode.js+1 more
Cadasta
End user applicationsTransforming the way land & resource rights are documented, managed and stored.
2017
pythondjangojavascjavascript
caMicroscope
Science and medicineToolkit for cancer imaging research
2024202320212020
pythonjavascriptjavatensorflow+4 more
Canadian Centre for Computational Genomics
Science and medicineAnalytical solutions for Next-Generation Sequencing data
2020201920182016
pythonjavascriptsqlgit+7 more
Carbon Language
Programming languagesAn experimental successor to C++
2023
llvmc++clangBison
Authorization library that supports RBAC and ABAC
202220212020
pythonjavascriptgoreact+6 more
CASTOR
Programming languagesTrustworthy software intensive systems for critical functions.
2021
javascalabytecode
cBioPortal for Cancer Genomics
Science and medicineAid discovery in complex cancer genomics data
20262025202420232022201920172016
javascriptjavawebhtml+8 more
CBMI@UTHSC
Science and medicineWe develop Biomedical and Clinical informatics applications
2019
pythonjavascriptflasktensorflow+1 more
CCExtractor Development
End user applicationsTV, Rust, Flutter, Linux, VR and C. In any order.
20262025202420232022202120202019+3
clinuxvideoffmpeg+13 more
Celluloid
Programming languagesPainless multi-threaded multi-core programming for Ruby.
2016
rubymulti-threadingmulti-corezeromq+1 more
Center for Connected Learning and Computer-Based Modeling
Programming languagesNetLogo: A language and IDE for programming and scientific simulations
2019201820172016
javascriptjavahtml5scala+2 more
Center for Research in Open Source Software (CROSS)
Science and medicineAmplifying Research Imapct through Open Source
2022202120192018
pythonjavascriptc++hadoop+8 more
Center for Translational Data Science
Science and medicineDevelop translational data science.
20252022
pythonawsgolangdocker+3 more
The Future of Storage
20262025202420232022202120202017+1
pythoncc++object-storage+5 more
CERN SFT
Science and medicineThe SFT is part of CERN (European Organization for Nuclear Research).
2016
pythonjavascriptc++clang
CERN-HSF
Science and medicineUmbrella for Particle Physics-related projects
20262025202420232022202120202019+2
pythoncc++machine learning+6 more
C++ library of computational geometry
20262025202420232022202120202019+2
githubc++gitpython+3 more
Community Health Analytics Open Source Software
202520222021202020192018
javascriptpython 3pythonmysql+12 more
Chapel
Programming languagesA Productive Parallel Programming Language
20212020201920172016
cpythonc++chapel+1 more
Checker Framework
SecurityPrevent programming errors via simple verification
20252020201920182017
javacompilersVerificationformal methods+1 more
checkstyle
Programming languagesHelps to adheres of Java coding standard
20262025202420232022202120202017
javaantlrxpathartificial-intelligence
Chromium
Operating systemsFast, seamless, safe, and reliable web for all
20252024202320222021
pythonjavascriptjavac+++1 more
Cilium
Infrastructure and cloudeBPF-based Networking, Security, and Observability
2021
clinuxgokubernetes+1 more
CircuitVerse.org
Science and medicineBuild and learn logic circuits in the cloud!
20262025202420232022202120202019
postgresqljavascriptbootstraprails+7 more
Empowering Boston's residents through technology
2024
pythonjavascript
CiviCRM
End user applicationsGrowing and sustaining relationships
20212020201920182016
mysqljavascriptphpangularjs+3 more
Classical Language Toolkit
OtherNLP for the Ancient World
201820172016
pythonjavascriptjava
CLiPS, University of Antwerp
DataComputational Psycholinguistics
201920182017
pythonjavascriptmachine learningmongodb
Clojure
Programming languagesSupporting the Clojure and ClojureScript ecosystem
2017
javascriptclojureclojurescriptjvm+1 more
Building platforms for reproducible AI Research
20252024202320212020201920182017+1
pythonjavascriptluacaffe+13 more
Building sustainable ecosystems for cloud native
20262025202420232022202120202019+2
prometheusgokubernetesfluentd+47 more
coala
Programming languagesLinting and Fixing Code for All Languages
2021201920182017
pythondjangopython 3antlr+6 more
Cockpit is an interactive server admin interface
2023
pythonjavascriptreact
Computational Biology @ University of Nebraska-Lincoln
Science and medicineTool development in bioinformatics, computational biology, data visualization
2019201820172016
mysqljavascriptreactwebgl+4 more
Computational Science and Engineering at TU Wien
Science and medicineWe bundle TU Wien's open source efforts in the area of science and engineering
2016
javascriptjavac++html+1 more
Conversations.im
Social and communicationAn open source instant messaging client and ecosystem based on Jabber & XMPP
20182017
pythonandroidjavaxmpp+3 more
Game libraries, frameworks, and development toolkits
20172016
cpythonopengljavascript+1 more
coreboot
Operating systemsFast, secure and flexible BIOS firmware
20232022202020192016
cassemblyopen hardwareassembler+2 more
Nonprofit building a global digital commons.
2024202320202019
pythonpostgresqljavascriptelasticsearch+5 more
Chekpoint/Restore for Linux tasks and containers
20262025202420232022202120202019
linuxdockercontainerskernel+5 more
Cuneiform Digital Library Initiative (CDLI)
Science and medicineCurating humanity’s earliest written history
202620222021202020192018
pythonmariadbrdfphp+9 more
Computer Vision Data Annotation Platform for AI
2024
pythondjangoreactkubernetes+1 more
CVXPY is a Python-embedded modeling language for convex optimization problems.
2016
python
D Language Foundation
Programming languagesWrite fast, read fast, and run fast.
2026202520192016
c++dlanglinuxosx+5 more
Dart
Programming languagesDart is a client language for apps on any platform
2026202520242023202220212020
flutterdartprogramming-language
Data for the Common Good
WebConnect. Share. Discover.
202620252024
pythonjavascriptkubernetesreactjs+1 more
High-performance AI+Cloud infrastructure provider.
2024
rustkubernetesDistributed key-value storeFault tolerant+1 more
Global and Unified Access to Knowledge Graphs.
20262025202420232022202120202019+3
pythonjavascalardf+6 more
The Universal Operating System
20262025202420222021202020192018+1
cpythondjangoruby+7 more
DeepChem
Science and medicineDemocratize AI for drug discovery.
202620252024
pythonnumpypytorchHuggingFace
Open-source Conversational AI Stack
2021
pythontensorflowdockerpython deep learning frameworks+1 more
Department of Biomedical Informatics, Emory University
SecurityBiomedical research to advance healthcare
20252024202320222021
pythonjavatensorflowmedical imaging+6 more
An open community of digital public services developers
20192018
pythoncc++java+7 more
Digital Impact Alliance (DIAL) at UN Foundation
OtherOpen source projects for humanitarian work, international development, and peace
2021202020192018
pythonjavascriptandroidjava+4 more
Discourse
Social and communicationCivilized discussion for your community.
20172016
javascriptruby on railsrubydocker+3 more
Distributed and Unified Numerics Environment (DUNE)
Science and medicineDUNE is a modular toolbox for solving PDEs with grid-based methods.
2016
pythonc++cmake
Django Software Foundation
WebWeb framework for perfectionists with deadlines
20262025202420232022202120202019+3
pythondjango
dora-rs
End user applicationsSimplify robotic apps with AI
20262025
pythonrosc++rust+1 more
Drupal is a Framework/CMS. It's built many of the sites and apps you use daily.
20202019201820172016
javascripthtml5sqlphp+7 more
Build Bold Digital Experiences on Best Open Source
20262025202420232022
mysqljavascripthtmlphp+1 more
Earth Science Information Partners
Science and medicineSupporting community development of visionary Earth science data technology.
20192018
pythonjavascriptkubernetesdask+4 more
Eclipse Foundation
Programming languagesThe Global Open Source Foundation
20262025202420232022202020192018+2
cc++javageospatial+15 more
Eclipse Vert.x
Programming languagesEclipse Vert.x is a tool-kit for building reactive applications on the JVM
20172016
javascriptjavagroovymicro-services+5 more
We are the creators of Elasticsearch, Kibana, Beats, and Logstash.
20202018
javareactnode.jsgolang+1 more
Electron
End user applicationsCross-platform desktop apps with web technologies
202520242022
javascriptnode.jsc++typescript+1 more
Elm Software Foundation
Programming languagesA delightful functional language for reliable webapps.
2017
javascripthaskellelm
Elm Tooling
Programming languagesImproving your Elm experience!
2021
functional programmingtypescriptelm
Modular and configurable OS for embedded applications
2020
cassemblygcc
ENIGMA Team
Programming languagesA free rapid game development environment.
2024202320222021
androidopenglc++qt5+1 more
Environmental Data And Governance Initiative
DataInternational network addressing threats to US environmental & energy policy
2017
pythonjavascriptruby on railsgoogle cloud+1 more
Erlang Ecosystem Foundation
Programming languagesSupporting the Beam community
2020
erlangelixirbeamlfe
EROFS filesystem
Operating systemsModern image-based kernel filesystem for everyone
2026
candroidlinux kernelContainerd+1 more
Eta is a dialect of Haskell on the Java Virtual Machine.
2018
javahaskelljvm
eunomia-bpf
Operating systemsUnleash eBPF Potential with our tools and runtimes
2024
linuxllvmebpfwebassembly
Freedom, Friends, Features, and First.
202520202019201820172016
pythonpostgresqljavascripthtml5+17 more
Record, convert and stream audio & video
20262025202420232022202120202019+3
cgitasmassembly+2 more
Industry leading malware analysis
2026202520242023
pythonida-proGhidraSandbox
Flashrom
Operating systemsReading, writing, verifying, erasing flash chips
2022
cx86biosrom+1 more
Forschungszentrum Jülich
Science and medicineShaping change: open source for Big Science
2022
pythonmpihigh performance computingpytorch+1 more
Fortran-lang
Programming languagesHigh-performance parallel programming language
202620252024202320222021
pythoncc++llvm+2 more
FOSDEM
Programming languagesThe organization that handles all aspects of the FOSDEM conference
201920172016
postgresqlruby on railsgithtml+5 more
FOSSASIA
End user applicationsFree and Open Source Software in Asia
2026202520242019201820172016
pythonjavascriptandroidjava+8 more
FrameNet Brasil (UFJF)
DataNatural Language Understanding with structured computational semantics
202120202019
pythonmysqljavascriptphp
Free and Open Source Silicon Foundation
OtherWorking together for Free and Open Source Silicon
20262025202420232022202120202019+3
pythonjavascriptfpgacompiler+10 more
Human transcription of family history data
2018
pythonmysqlmongodbruby on rails+2 more
An OS for servers to embedded devices
20262025202420232022202120202019+3
cc++llvmshell script+6 more
FreeCAD
End user applicationsCross-platform 3D parametric modeler
2026202520242023
pythonc++qtOpenCASCADE+1 more
FreeType
Programming languagesFreeType is a software library to render fonts.
20242023202220212020201920182017
cfontsopentypelibrary+5 more
freifunk
Operating systemsFree and open wireless networks
20252024202320222021201920182017+1
cluaopenwrtolsr+13 more
Frescobaldi
End user applicationsEdit music scores with GNU LilyPond.
2017
pythonpyqt
Routing suite including BGP, IS-IS, LDP, OSPF, PIM
202220212020
clinuxluanetworking+2 more
Gambit: The package for computation in game theory
Science and medicineThe package for computation in game theory
20262016
javascriptpythonc++wxwidgets+1 more
Cluster virtual server management software
2016
pythonxenhaskellkvm+1 more
GDevelop
Programming languagesThe cross-platform game engine designed for everyone.
2020
javascriptcc++react+2 more
Gemini CLI
Development toolsGemini CLI brings the power of Gemini directly into your terminal
2026
typescriptGenAIMCPSoftware Agent+1 more
Genes, Genomes and Variation
Science and medicineAuthoritative databases of genome sequences and their function
2019201820172016
mysqljavascriptperlpython+1 more
Developing open software for IVI and the connected car.
201920182017
clinuxc++qt+5 more
Genome Assembly and Annotation
Science and medicineUnleashing the potential of big data in biology
2026202320222021
pythonmysqljavascriptrust+3 more
Gentoo Foundation
Operating systemsA flexible, source-based Linux distribution.
20232022202120202019201820172016
pythoncc++perl+6 more
German Center for Open Source AI
DataDemocratically governed AI for society
2026
pythonpytorchscikit-learn
Fast,Scalable,Distributed revision control system
20262025202420232022202120202019+3
cshell scriptgitshell+1 more
GitLab
Infrastructure and cloudEveryone can contribute
2025202320222021
rubygolanggitci+5 more
Global Alliance for Genomics and Health
Science and medicineWe develop genomics tools to benefit human health
20262024202320222021202020192018+2
pythonjavasqlprotobuf+10 more
GNSS-SDR
Science and medicineAn open source GNSS software-defined receiver
20252024202220212020201920182017+1
cc++c++11c++14+5 more
Development of the GNU Operating System
20262024202320202019201820172016
cpythonposixlisp+10 more
GNU Compiler Collection (GCC)
Programming languagesGNU compilers
20262025202420232022202120202019+1
cc++openmpgnu autotools+1 more
GNU Image Manipulation Program
End user applicationsGIMP is a cross-platform image editor
20262025202420232022202120202019+3
cpythonjavascriptgtk++7 more
GNU Mailman Project
Social and communicationGNU Mailman manages your mailing lists.
2026202120192016
pythondjangoemailpython 3+4 more
GNU Octave
Science and medicineFree Your Numbers
20262025202420232022202120202019+3
c++hg
GNU Radio
Science and medicineThe free & open software radio ecosystem
20262025202420232022202120202019+3
pythonc++dspsoftware radio+5 more
GnuTLS
Programming languagesC library implementing TLS and DTLS
2023
cCryptographyTLS
Godot Engine
End user applicationsMulti-platform 2D and 3D game engine
20222021202020192018
openglgithubc++cpp+6 more
Google DeepMind
Artificial IntelligenceGoogle DeepMind's open-source projects
2025
pythonjavascripttypescriptJax+1 more
C multimedia framework
20202016
javascriptc++mp4dash+3 more
gprMax
Science and medicineSimulating electromagnetic wave propagation
202620252024202320212019
pythoncythoncudaopenmp+2 more
GRAME
Programming languagesDomain specific language for audio
20262025202420232022
cpythonjavascriptc+++2 more
Graphite
End user applicationsMultimedia art/design editor and graphics engine
202620252024
machine learningrustvulkanai+1 more
GraphQL is a fast and efficient query language for APIs.
2020
javascriptreactnode.jsgraphql
Energy efficient routing for electric vehicles
20172016
postgresqljavascriptgopolymer+5 more
Operating system that targets personal computing.
20262024202320222021202020192018+1
c++posixffmpegbsd unix+5 more
Halide
Programming languagesA language for fast, portable computation on images and tensors
2021
llvmc++
Haskell.org
Programming languagesPurely functional programming language
20262025202420222021202020192018
haskellghccabalcodeworld+2 more
In-Memory Computing Platform
2020
javadistributed systems
Health Information Systems Programme
WebHealth information system which is being used by 47 countries across world.
2016
javascriptandroidjavagradle+1 more
Homebrew
Programming languagesThe Missing Package Manager for macOS (or Linux)
20222020201820172016
rubygitosxgithub+4 more
Honeypots and Threat Intelligence R&D
20262025202420232022202120202019+3
pythonandroidmachine learninghtml+14 more
AI for the Arts and the Humanities
202620252024
pythonmachine learningc++data analysis+1 more
Automate REST APIs. Build next generation API clients.
202120202019
pythonjavascriptredisflask+6 more
illumos.org
Operating systemsOpen Source successor of OpenSolaris
2017
unixdtraceillumosopenzfs+1 more
An open & FAIR neuroscience standards organization
20262025202420232022202120202019+3
pythonjavascriptjavac+++6 more
Inclusive Design Institute
End user applicationsThe IDI addresses the challenge of designing ICT to work for all potential users
202020182016
javascripthtml5node.jscss+3 more
Indic
End user applicationsImproving Information Infrastructure and Access to Knowledge in Indian languages
2016
pythonjavascriptandroidruby on rails+1 more
Inkscape
End user applicationsDraw freely!
20252024202320222021202020192018+2
pythonc++csssvg+5 more
Inria Foundation
Science and medicineSOFA is an efficient simulation engine for research in medical simulation.
2018
cc++qtasm+2 more
Institut für Angewandte Informatik (InfAI) e.V.
MediaPutting scientific research into practice.
2019
javascriptjavaa-frameneo4j+1 more
Institute for Artificial Intelligence
Science and medicineResearch in Artificial Intelligence for Autonomous Mobile Robots
20182017
pythonrosc++lisp+2 more
Intel Video and Audio for Linux
MediaWe enable Linux Audio and Video for Intel
202220212020201920182017
videodecodeencodevpp+16 more
InterMine
Science and medicineIntegrating biological data sources, making it easy to query and analyse data
20192018
pythonpostgresqljavascriptjava+2 more
International Catrobat Association
Programming languagesFree visual coding apps for computational thinking
20262025202420232022202120202019+3
javascriptandroidjavahtml5+9 more
Internet Archive
Science and medicineUniversal Access to All Knowledge
20262025202420232021202020192018+1
pythonjavascriptpthonnode.js+5 more
Internet Health Report
Science and medicineMonitoring the Internet
2025202420232022
pythonjavascriptapache kafkavue.js
Internet Systems Consortium
OtherWe support the infrastructure of the Internet with Open Source
20192018
mysqlcc++rest+5 more
Invesalius
Science and medicine3D Medical visualization and neuronavigation tool
2026202520242023
pythoncythonnumpydicom+1 more
Our eyes on the ocean, coasts, and Great Lakes
20262025202420222021
pythonbig data scienceocean technologyocean science+4 more
All of AI, at your Fingertips.
2023
pythoncythontensorflowpytorch+1 more
JabRef e.V.
Science and medicineStay on top of your Literature
202620252024202220212019
javajavafxlatextypescript+2 more
JAX and Keras
Artificial IntelligencePython libraries for large-scale machine learning
2025
pythonmachine learningai
Community of projects around JBoss Middleware
20262022202120202019201820172016
androidjavaideasciidoctor+11 more
Toolkit for developing Robotics applications
20262025202420232022202120202019+2
cpythonjavascriptcross-platform+14 more
Jenkins
Programming languagesJenkins, build great things at any scale
20262025202420232022202020192018+1
javagroovyhtmljenkins+6 more
Jenkins X
Infrastructure and cloudAccelerate Your Continuous Delivery on Kubernetes
2022
golangkubernetesgitops
JGraphT
Programming languagesJava library that provides graph data-structures and algorithms.
2018
java
Multimodal AI from the community, for everyone
2023
pythonmachine learningmicroservicesdata science+1 more
State-of-the-art video conferencing
202620252024202220182017
javascriptjavaxmppwebrtc+4 more
Joomla!
End user applicationsThe flexible platform empowering website creators.
20262025202220212019201820172016
javascripthtmlphpcss+5 more
Joplin
End user applicationsThe secure note taking application
20262024202220212020
reactnode.jsreact nativeelectron+4 more
JPF team
Programming languagesJPF is a Java VM used to verify and debug software
20262025202420232022202120202019+3
androidjavadistributed systemsjvm+2 more
jQuery Foundation - home of jQuery, Dojo and many other JavaScript libraries
2016
javascripthtml5cssjquery
JSK Robotics Laboratory / The University of Tokyo
Science and medicineJSK is focusing on the fundamental functions & systems for intelligent robots
2019201820172016
roseuslispopenhrpopenrtm+2 more
We enable the reliable use of JSON data format.
202620252024
pythonjavascripttypescript.net+1 more
Julia Language
Science and medicineA fresh approach to technical computing
20262025202420232022202120202019+2
cjavascriptc++julia+10 more
K-9 Mail
End user applicationsK-9 Mail – Advanced Email for Android
2017
androidjava
Kapitan
Programming languagesTemplated configuration management for Kubernetes, Terraform and other things
20202019
pythonkubernetesjsonnetjinja2+2 more
Distributed version-control for geospatial data
2022
pythonc++gitgis
KDE Community
End user applicationsControl your digital life
20262025202420232022202120202019+3
c++qtcmakephp+6 more
Keploy
Programming languagesUnit, API test generation agent using AI & EBPF
202520242023
javagolangnode.jsMERN+3 more
Keptn
Infrastructure and cloudEvent-driven orchestration of cloud-native apps
2022
golangkubernetesangularHelm
Kiwix
End user applicationsInternet content available offline.
20262025202420232021202020192018
pythonandroidjavac+++9 more
Open for Innovation
2019
javascriptjavatensorflow
Kodi
End user applicationsThe ultimate entertainment center
202220212020201920182017
pythonxmlc++11git+8 more
KolibriOS Project Team
Operating systemsA tiny and fast operating system in fasm
202620242016
fasmflat assemblerx86 assemblyi386+5 more
Konflux
Infrastructure and cloudSecure software pipelines, the K8s way
2026
pythongodockerkubernetes+1 more
Kornia
Programming languagesAdvancing Computer Vision & Spatial AI, Openly
20262025
cudarustdeep learningdata science+1 more
Kotlin Foundation
Programming languagesAdvance the Kotlin programming language
2026202520242023
gradlekotlinjvmParsers & Compilers+1 more
kro | Kube Resource Orchestrator
Infrastructure and cloudSimplify Kubernetes API and resource management.
2025
prometheusgolangkubernetescontroller-runtime+1 more
Kubeflow
Infrastructure and cloudThe Machine Learning Toolkit for Kubernetes (AI)
2026202520242020
pythontensorflowkubernetesjupyter notebook+4 more
KubeVirt
Infrastructure and cloudBuilding a virtualization API for Kubernetes
2026202520242023
golanggrpc
Programming Language Research with emphasis on Lua
20262025202420212020201920182017+1
luacéuelasticsearchluarocks+4 more
languagetool.org
End user applicationsStyle and grammar checker
2018
javascriptjavamachine learningtensorflow+1 more
Social Participation to Reach Millions
2024
pythonmachine learningruby on railsjupyter hub
LEAP Encryption Access
End user applicationsPrivacy should not be a priviledge
20222018
pythonjavascripttwistedopenvpn+6 more
Learning Equality
End user applicationsBuilding equity in education to transform lives
202620252024202320222021
pythonjavascriptdjangovue.js
Learning Unlimited
End user applicationsBuilding excitement for teaching and learning
2026
pythonjavascriptdjangohtml+1 more
Provide an open source camera stack for linux
202320222021
cc++linux kernelqt5+2 more
Libre Space Foundation
Science and medicineOpen-source software and hardware technologies for space
202120202019
pythondjangocc+++7 more
LibreCube Initiative
Science and medicineOpen Source Space Exploration
2026202420222021
pythonmicropythonzmqmbed+4 more
LibreHealth
Science and medicineHealthcare for Humanity
20262023202220212020201920182017
mysqljavascriptjavaphp+5 more
LibreOffice
End user applicationsLibreOffice is a free and open source office suite
20262025202420232022202120202019+3
pythonandroidjavaopengl+1 more
Encrypting the Internet with IKE / IPsec VPN
2026202220212020201920182017
cpythonshell scriptqemu+9 more
libssh
Programming languagesThe SSH library
20262025202420232022
csshcigit+1 more
libvirt
End user applicationsVirtualization abstraction library
20242022202120202019201820172016
cxenqemucontainers+5 more
Linkerd
Infrastructure and cloudLinkerd is the ultralight service mesh for Kubernetes and beyond
20202019
prometheusreactrustgolang+2 more
Linux Foundation
Operating systemsNon-profit consortium fostering growth of Linux
20262025202420232022202120202019+3
cpythonmysqlc+++6 more
Liquid Galaxy project
DataWe code immersive and interactive apps with GEarth
20262025202420232022202120202019+2
javascriptrosgiscesium+13 more
LLVM Compiler Infrastructure
Programming languagesLLVM Compiler Infrastructure
20262025202420232022202120202019+3
cllvmc++clang+1 more
Open to the core - collaborative engineering for open source silicon and tools
202020172016
linuxverilogfpgachisel+4 more
LuaRocks
Programming languagesThe Lua package manager and ecosystem
201920182017
lualuarocksclinux+2 more
Machine Learning for Science (ML4SCI)
Science and medicineMachine learning applications in science
202620252024202320222021
pythoncc++machine learning+2 more
MacPorts
End user applicationsOpen Source package manager for macOS.
2020201920182017
makegittclhtml+9 more
MalariaGEN
Science and medicineThe Malaria Genomic Epidemiology Network
2026
pythonGCS
MapAction works on maps and data analysis for the humanitarian sector
2021
pythondata analysisgisapache airflow+1 more
The fastest growing Open Source Database
20262025202420232022202120202019+3
cmysqlmariadbperl+5 more
Webapp providing a UX-first interface to databases
20232022
pythonpostgresqljavascriptdjango+1 more
Matrix.org
End user applicationsOpen, secure, decentralised communication
2022202120202019201820172016
pythonandroidreactgolang+8 more
Mautic
End user applicationsFree your Marketing with Open Source!
2024
mysqlphpsymfony
Mayor's Office of New Urban Mechanics
DataExploring new approaches to civic life.
202320222021
pythonjavascriptrubytensorflow
MBDyn
Science and medicineOpen Source Multibody Simulation
20252024202220212020201920172016
c++pythonscriptingc
McGill Space Institute
Science and medicineCenter bringing together scientists doing space-related research at McGill
2016
pythonsqlbig datadatabases
MDAnalysis
Science and medicineAnalysis of molecular simulations data with Python
2026202520242023202220212020
pythoncythoncc+++1 more
Providing Internet performance data since 2009.
2026
pythonjavascripthtmlsql+1 more
Media Cloud is an open-source platform for media analysis.
2021
pythonpostgresqljavascriptreact+1 more
Live ML anywhere
2021
pythonjavascriptandroidc+++1 more
Meshery
Infrastructure and cloudthe extensible, collaborative, Kubernetes manager
20262025
javascriptgolangkubernetesvisual design+1 more
MetaBrainz Foundation Inc
DataOpen music / book metadata, music recommendations
20262025202420232022202120202019+3
pythonpostgresqljavascriptperl+7 more
MetaCall
Programming languagesSimplifying the embedding of programming languages
20262024202320222021
pythonjavascriptcc+++5 more
Metaflow
Infrastructure and cloudA human centric machine learning framework
2026202320182016
distributed systemsnetworkingmicro-servicesscalability+11 more
World’s most used penetration testing framework
2026202320222021202020182017
crubyasmpython+2 more
MGGG Redistricting Lab
End user applicationsMGGG researches applications in math and computer science for US redistricting
20212020
pythonjavascriptjuliagis+2 more
Micro Electronics Research Lab - UITU
OtherAccelerating Engineering Innovation
2025202420232022
RISCVProcessorHardwaresystemonchip+1 more
Microkernel devroom
Operating systemsConfederation of microkernel projects (Genode, HelenOS, GNU Hurd, MINIX, Redox)
2017
cc++rustarm+1 more
Mifos Initiative
End user applicationsEnd Poverty One Line of Code at a Time
20262025202420232022202020192018+2
mysqljavascriptandroidjava+4 more
MIT App Inventor
Development toolsAnyone can build apps with global impact
20262025202420232022202120202019+2
androidjavahtmljavascript+6 more
Mixxx
End user applicationsDJ Mixing App With Powerful Features For All DJs
20262025202420222020201820172016
openglc++qtc++11+9 more
MLLAM
Science and medicineResearch software for AI weather forecasting
2026
pythonnumpypytorchxarray+1 more
mlpack
Science and medicinea fast, flexible machine learning library
20242023202220212020201920182017+1
c++pythonmachine learningdeep learning+3 more
Mobile Robot Programming Toolkit (MRPT)
Science and medicineEmpowering C++ development in robotics
201820172016
rosopencvc++qt+6 more
ModSecurity cross platform web application firewall
2016
wafweb application firewall
MoFA Org
Development toolsEmpower extraordinary with Composition AI
2026
pythonrust
MoganLab
Programming languagesMake acedemic writing as nature as breathing
2026
c++qtscheme
Moira
Programming languagesMoira is a realtime alerting system based on Graphite data
20202019
javascriptgolanggrafanatypescript+2 more
Collaboration for change
2022
pythonjavascriptc++docker+1 more
Monado, the free and open source XR platform
2022
openglvulkanopenxrGraphics+1 more
Monarch Initiative
End user applicationsAn informatics platform for translational disease research
2016
javascriptsemantic webtext miningnamed entity recognition+1 more
Mono
Programming languagesCross-platform C#/F#/.NET runtime and tools
2017
cc#.netf#
Moodle
Social and communicationEmpowering educators to improve our world
2019201820172016
mysqlpostgresqljavascriptphp+4 more
MoveIt
Science and medicineMoving robots into the future
20242023202220212020
rosc++cpython 3+3 more
Keeping the Internet open and accessible to all.
20202019201820172016
pythonjavascriptc++rust+5 more
MuseScore
End user applicationsThe World’s Most Popular Music Notation Software
20242023202220212020201920182017+1
cc++qtqml+6 more
mypy
Programming languagesA static type checker for Python and a compiler for type-annotated Python
20212020
python
MZmine and MS-DIAL
Science and medicineOpen-source software for mass spectrometry
202320222020
javajavafxc#
A Content-Centric Future Internet architecture
2019
javascriptandroidjavac++14+1 more
National Resource for Network Biology (NRNB)
Science and medicineDeveloping open source tools for network biology
20262025202420232022202120202019+3
pythonjavascriptjavac+++10 more
Modern music server and streamer compatible with Subsonic/Airsonic
2021
reactgolangffmpeg
Neovim
End user applicationshyperextensible Vim-based text editor
20262025202020192018
cpythonjavascriptlua+2 more
NetBSD Foundation
Operating systemsOf course it runs NetBSD
20262025202420232022202120202019+3
networkingkernelbsdc programming+12 more
Netfilter
Operating systemsFirewalling, NAT and packet mangling for Linux
2019201820172016
networkinglinux kernelfirewallc+2 more
Netty is an asynchronous event-driven network framework
2020
cjavajni
Neuroinformatics Unit
Science and medicineOpen-source tools for neuroscience and ML
20262025
pythonnumpypytorchScipy+1 more
Lightweight cross-platform desktop app framework
202620242022
cjavascriptnode.jsc+++1 more
Nightwatch.js
Programming languagesAn integrated testing framework powered by Node.js
2024
javascriptseleniumnode.jstypescript+1 more
NixOS Foundation
Programming languagesDeclarative builds and deployments
20262024
gitnix
Nmap Security Scanner
SecuritySwiss Army knife of network discovery and security auditing
20172016
cpythonc++lua
ns-3 is a simulation tool for computer networks.
20262025202420232022202120202019+2
pythonc++cpython 3+1 more
NumFOCUS
Science and medicineNumFOCUS promotes open source scientific software.
20262025202420232022202120202019+3
pythonjavascriptrjulia+2 more
Empowering lives through non-visual access to technology
20202019
pythonc++ui automationiaccessible2+1 more
omegaUp
End user applicationsOpen CS Education as a catalyst for social change
202620252024202320222018
pythonmysqlphptypescript+1 more
Open Bioinformatics Foundation (OBF)
Science and medicineOpen Source & Open Science in biological research
2022202120202019201820172016
pythonjavahaskellruby+11 more
Open Chemistry
Science and medicineAdvancing Open Source & Open Science for Chemistry
20242023202220212020201920182017+1
pythonjavascriptopenglc+++6 more
Open Chromosome Collective
Science and medicineOpen-Source Tools for 3D Genomics Research
2024
pythonnumpyscikit-learnpandas+1 more
Open Climate Fix
Science and medicineUsing Computers to Fix Climate Change
20252024
pythonpytorch
Open Detection is a open source project for object detection and recognition.
20172016
cc++opencvcmake+2 more
Open Ephys
Science and medicineOpen-source electrophysiology
2016
c++juce
Open Food Facts
Science and medicineBetter food choices for your health & the planet
2026202520222018
androidmachine learningmongodbperl+5 more
Open Genome Informatics
Science and medicineOpen access genomics and bioinformatics projects
2026202320222021202020172016
pythonjavanode.jsgwt+8 more
Open HealthCare Network
Science and medicineReimagining Healthcare Delivery
202620252024
pythondjangoreacttypescript+1 more
Open Roberta
Programming languagesOpen Roberta® Lab is an online IDE introducing kids to program robots with NEPO®
2021202020192018
javascriptjavapythongo+2 more
Open Robotics
End user applicationsOpen source robotics and a whole lot more!
20262025202420232022202120202019+2
rosgazebopythonjavascript+5 more
Open Science Initiative for Perfusion Imaging
Science and medicineOpen access resources for perfusion imaging
202620252024
pythongithub
Open Science Labs
Science and medicineThe community open to science and technology.
20262025
pythonjavascriptc++docker+2 more
Open Source State Legislative Data
20182017
pythonpostgresqljavascriptdjango+2 more
Open Technologies Alliance - GFOSS
Science and medicinePromote Open Standards and Open Source
20262025202420232022202120192018+1
pythonmysqljavaphp+14 more
Open Transit Software Foundation
End user applicationsHelp make public transit better
202620252024
androidjavagolangdocker+1 more
A Modern Library for 3D Data Processing
2022
pythonc++cudatensorflow+1 more
An open source distributed filesystem.
202620252022
cpythongitansible+3 more
OpenAstronomy
Science and medicineLook at the Universe with the power of Open Source
20262025202420232022202120202019+3
cpythonjulianumpy+6 more
OpenCensus
Infrastructure and cloudPlanet Scale Tracing and Monitoring
2018
pythonjavagoruby+1 more
++ beneficial uses of computer vision in society
20252024202320222021202020192017+1
pythonmachine learningc++computer vision+8 more
OpenELIS Global
Science and medicineEmpowering labs to Ensure Quality Health Care
202620252024
postgresqljavascriptjavareact+1 more
OpenEMR
Science and medicineOpenEMR is a leader in healthcare open-source software
2020
mysqljavascripthtmldocker+1 more
Multi-Platform Open Source driver for AR/VR/XR devices with stable ABI.
2020
openglopencvvulkanc99+1 more
OpenKeychain (OpenPGP for Android)
SecurityOpenKeychain: Easy PGP for Android
2016
androidopenpgp
OpenMined
Programming languagesLowering the barrier of entry to privacy preserving technology
20212020
deep learningfederated learninghomomorphic encryptionsecure multi-party computation+6 more
OpenMRS
Science and medicineWrite Code, Save Lives.
20262025202420232022202120202019+3
javahtml5groovyxml+11 more
OpenMS Inc
Science and medicineAdvancing Algorithms & AI for Biomedical Insights
20262025
pythoncythonc++r+2 more
A power tool for working with messy data
20242020
javascriptjava
OpenROAD Initiative
Infrastructure and cloudCollaboratively building an OpenROAD ecosystem
2026202420232022
fpgachiselrisc-vsystemverilog+6 more
OpenSIPS
Social and communicationA multi-purpose Open Source SIP proxy/server for carriers, telecoms or ITSPs
2018
cpythonmysqlscripting
Create and distribute free geodata for the world
20262025202420232022202120202019+3
javascriptjavaopenglruby+9 more
openSUSE
Operating systemsMakers' choice for sysadmins, developers & users
20262025202420232022202120202018+2
linuxruby on railsrubydocker+17 more
OpenVINO Toolkit
Development toolsMake AI inference faster and easier to deploy!
20262025202420232022
pythonc++x86arm
OpenWISP
End user applicationsThe Hackable Network Management System
20262025202420232022202120202019+2
pythonjavascriptdjangoopenwrt+4 more
OpnTec
Social and communicationDeveloping Open Event Solutions for Everyone
2018
pythonjavascriptandroidcloud+1 more
Oppia Foundation
End user applicationsFree platform for interactive, tutor-like lessons
20262025202420232022202120202019+3
pythonjavascriptangularjscss+7 more
Orange – Data Mining Fruitful & Fun
Science and medicineA cross-platform, visual-programming tool for data mining and visualization.
2016
pythoncythonmachine learningqt
Orcasound
Science and medicineHumans & AI listening together to save the whales.
202220212020
pythonjavascriptreactraspberry pi+2 more
Organic Maps
End user applicationsOffline maps app for tourists, cyclers & hikers
2025202420232022
androidjavac++ios+1 more
OSGeo
End user applicationsThe Open Source Geospatial Foundation
20262025202420232022202120202019+3
cpythonogc standardsc+++6 more
OSU Open Source Lab
2016
pythonjavascriptrubyrest
Our World In Data
Science and medicineExplaining the world's biggest problems with data
2022
pythonmysqld3typescript+1 more
oVirt
End user applicationsOpen virtual datacenter management for all
2017
pythonjavakvm
The open source community for infrastructure software.
2018
javaperlmiddlewarebpm+1 more
No more insecure software.
20262025202420232022202120202019+2
pythonjavascriptjavahtml+10 more
ownCloud
Infrastructure and cloudA safe home for all your data
20172016
javascripthtmlsqlphp+4 more
Shaping the future Internet TV
201820172016
pythonandroidc++ios+5 more
Enhance people’s quality of life through Robotics
2025
pythonjavascriptc++
Palisadoes Foundation
Social and communicationSocial media and member management for non-profits
20252024202320222021
javascriptmongodbnode.jsflutter+4 more
PEcAn
Science and medicineDevelop and promote tools for ecosystem modeling
20262025202420232022202120202019+2
cpostgresqljavascriptr+7 more
Digital Assets Managed Neatly
2016
pythonjavascriptdjangoblender+1 more
Performance Co-Pilot
Operating systemsSystem performance analysis
202220202019201820172016
javascriptjavarubygolang+11 more
Perl Foundation
Programming languagesDevoted to the advancement of the Perl languages through discussion and code
2019
cperlregular expressionsperl6+1 more
Pharo
Programming languagesModern and immersive programming language
202620252023202120192017
smalltalkroassalpolymathpharo+6 more
phpBB Forum Software
Social and communicationphpBB is the most widely used free and open-source forum solution.
20182017
mysqljavascriptphpcss+2 more
A web interface for MySQL written in PHP
201920182017
mysqljavascriptphpjquery+2 more
Physical Web GSoC project based on the Physical Web
20172016
pythonarduinointernet of thingsbeacons+4 more
Pidgin Instant Messenger
Social and communicationA universal chat client.
2021
cgtkgstreamer
Pitivi
End user applicationsSelf-expression through filmmaking
2023202120202019
cgtkpython 3gstreamer+1 more
Plan 9 Foundation
Operating systemsLightweight distributed computing
2021
cgolangdistributed systemsconcurrency
PLASMA-UMass
Programming languagesPLASMA explores ways to make programming languages faster, safer, and easier.
2016
javascriptcc++go+1 more
Python-based CMS, with React front-end.
2025202420232022201820172016
pythonjavascriptrestnosql+5 more
An extensible cross-language static code analyzer.
20182017
javaxmljavaccantlr+1 more
Point Cloud Library
Science and medicineStandalone, large scale, open project for 2D/3D image and point cloud processing
20212020
cmakecppdevopspython+3 more
Polly Labs
Programming languagesPromoting Polyhedral Compilation
20182017
llvmpollyppcginteger set library+4 more
The Most Versatile Data Management Platform
20242022202120182016
javamachine learningwebdatabases+10 more
Portland State University
OtherIndividual and Academic Open Source
20172016
open hardwarelanguage-agnostic
A project to create an open-sourced managed Postgresql service for Kubernetes
2019
postgresqlgolangkubernetesoperator+1 more
The Most Advanced Open Source Relational Database
20262025202420232022202120202019+2
cpostgresqlperlsql+7 more
The Future is API-First
2024202320212020
javascriptnode.jsgraphqlopenapi+4 more
PowerDNS provides open source DNS software
2022
c++DNS
preCICE
Science and medicineThe coupling library for multi-physics simulations
2026
cpythonshellc++
PRISM Model Checker
Science and medicinePRISM is a tool for formally verifying the correctness of probabilistic systems.
2016
javac++
Probot
Programming languagesAutomate and improve GitHub workflows
2018
javascriptgithubnode.js
Processing Foundation
Programming languagesTo empower all people to learn to program
20262025202320222021202020192018+1
pythonjavascriptandroidjava+5 more
Project Mesa
Science and medicineMesa: Agent-based modeling in Python 3+
202620252024
pythonui/uxLLMsVector Operations+3 more
Project PANOPTES
Science and medicineDiscover New Worlds
2019
python 3arduinocloud
Prometheus-Operator
Infrastructure and cloudManaging Prometheus atop Kubernetes
20252024
prometheusgokuberneteskubernetes operators
A programming language used for science & more
20262025202420232022202120202019+3
pythonmercurialjavascriptsqlite+2 more
Public Lab
Science and medicineTools for communities to measure pollution
202220212019201820172016
javascriptruby on railswebrtcleaflet+3 more
Purr Data
End user applicationsRealtime Audio/Visual Programming Environment
2024202320222021202020192018
javascriptcc++node.js+7 more
Build better Web APIs. Enable smart clients.
2018
pythonflaskrdfhydra+1 more
Vector Search Database for the new AI generation.
2023
pythonjavascriptrust
QEMU
Infrastructure and cloudOpen source machine emulator and virtualizer
20262025202320222021202020192018+2
cassemblykvmpython+3 more
The Qt Project co-ordinates the development of the Qt software framework.
2018
openglqtqmlc++11+1 more
Qubes OS
Operating systemsA reasonably secure operating system
2026202120202017
cpythonxenshell+2 more
R project for statistical computing
Science and medicineR software for statistical computing & graphics
20262025202420232022202120202019+3
cc++rfortran+2 more
RADAR-base
Science and medicineImprove people's quality of life using patient generated data
2022
javakotlindockerangular+1 more
Radare2 - Reverse Engineering Framework and Toolset
2020201820172016
crustpythonnode.js+4 more
React Native Elements
Programming languagesCross Platform React Native UI Toolkit
2021
javascriptreactreact native
ReactOS Foundation
Operating systemsOpen your windows to freedom!
2022202120202019201820172016
cc++phpwin32+1 more
Read the Docs
Programming languagesDocumentation Simplified
20192018
pythonjavascriptdjangosphinx+2 more
Research on Multimodal Communication
20242023202220212020201920182017+1
machine learningopencvhigh performance computingaudio procesing+37 more
Responsible AI and Human Centred Technology
Science and medicineHuman-centered and responsible AI for all
2022
pythonjavascriptTechnical writing
Rizin reverse engineering framework and toolset
202620252024202320222021
cpythonc++qt+1 more
Open-source framework to develop robot components
2022202120202019201820172016
pythonc++cmakezeroc ice+11 more
Robolectric
Operating systemsFast unit testing runtime for Android
20242022
androidjavajvmasm
rocket.chat
Social and communicationOpen source communications platform for the AI age
20262025202420232022202120202019+2
javascriptwebrtcmeteor.jsmongo+15 more
Rspamd is an email framework and spam filter
202520182017
cluacmakejavascript+4 more
A real-time operating system for Earth & Space
20262025202420232022202120202019+3
cpythonembedded systemswaf+4 more
Ruby
Programming languagesRuby is an object-oriented programming language
20262023202220212020201920182016
rubycjavaruby on rails+2 more
Ruby on Rails is web framework that optimizes for programmer happinness.
20182017
ruby on railsrubyhtml
Ruby Science Foundation
Science and medicineTools for scientific computation in Ruby
2019201820172016
cc++rubyjruby+8 more
Rust Foundation
Programming languagesA language empowering everyone
202620252024
pythonrust
SageMath
Science and medicineOpen-source mathematics software system
20262025202420232022202120202019+3
pythoncythonjavascriptc+++2 more
Salesforce
Infrastructure and cloudFrom the kernel to the browser, open source projects from Salesforce.
2019
javascriptreactnode.jsscala+1 more
Opening windows to a wider world
2021202020192017
cpythonsmbcifs
Scala Center
Programming languagesGuide and support the Scala community
20252024202320222021201820172016
jvmscalallvm#scala+7 more
Scalable Parallel Computing Laboratory
Programming languagesHigh-performance computing for clusters and clouds
20242023
pythonc++mpiaws+1 more
Scilab
End user applicationsCross-platform numerical computational package and programming language.
201820172016
cjavac++fortran+3 more
SCoRe Lab
End user applicationsSCoRe Lab develops FOSS softwares for everyone!!!
20232022202120202019201820172016
pythonandroidjavagolang+11 more
ScummVM
End user applicationsAdventure and RPG preservation project
20262025202420232022202120202019+3
openglc++assemblysdl+4 more
Building data intensive applications in Rust
2022
mysqlpostgresqlrustsql+1 more
Seastar
Programming languagesFramework for writing high-performance server applications on modern hardware
2018
linuxcppframeworkdpdk+1 more
Semi Technologies
Science and medicineThe ML-first vector search engine
2022
pythonmachine learninggolangvectors+1 more
An open-source JavaScript library to play adaptive media.
2021201920182016
rubynode.jsgitatom+10 more
Shogun
Science and medicineUnified and efficient Machine Learning
2020201920172016
pythonc++cmakeswig+6 more
Sigmah
End user applicationsJava/GWT platform for humanitarian project management
20172016
javagwtpostgresql
A unified framework for ML with time series
20242022
pythongithubsphinxscikit-learn
Society for Arts and Technology (SAT)
MediaTechnological tools for creativity and industry
202520232022
pythonjavascriptopenglc+++3 more
Software and Computational Systems Lab at LMU Munich
Programming languagesAlgorithms and Tooling for Software Verification
20252024202320192018
pythonjavascriptjavagrpc+1 more
The universal source code archive
202220212019
pythonjavascriptdjangogit+3 more
Soletta
Programming languagesSoletta Project is an open source framework for making IoT applications
2016
cpythonjavascriptmachine learning+1 more
Space @ Virginia Tech
Science and medicineSpace@VT is devoted to the investigation of the space environment.
2018
pythonmysqljavascriptmongodb+1 more
Automatically testing database systems
20252023
javasql
St. Jude Children's Research Hospital
Science and medicineFind cures. Saving children.
20262025
rustWDLpythonsimd
stdlib
Science and medicineThe fundamental numerical library for JavaScript
202620252024
cjavascriptnode.jstypescript+1 more
Ste||ar group
Science and medicineShaping a Scalable Future
20262025202420232022202120202018+2
c++cudaopenclhigh performance computing+9 more
Stichting SU2
Science and medicineComputational Fluid Dynamics and Optimization
202620252024
pythonc++
Stony Brook University Biomedical Informatics
Science and medicineAdvance biomedical knowledge through innovative data science research
201820172016
big datamedical imaginghadoopbioinformatics+5 more
Linux syscall tracer
2022202120202019201820172016
clinuxshell scriptmake+5 more
Stratosphere Laboratory, Czech Technical University in Prague
DataUsing machine learning and security to help others
20242023
pythonjavascriptredisflask+2 more
Streetmix
End user applicationsDesign, remix, and share your neighborhood street, all in your browser.
2018
postgresqljavascriptmongodbreact+1 more
Submitty
End user applicationsHomework Autograding and Course Management Tools
2026202420232022202020192018
pythonc++databasesweb+6 more
Sugar Labs
End user applicationsLearning software for children
20262025202420232022202120202019+3
pythonjavascriptgtk+android+8 more
Software supply chain management done right !
20262025
javareactcouchdbSpringBoot
Swift
Programming languagesFast, safe, and expressive programming language
20262025202420232022202120202019+1
llvmc++cmakeswift+4 more
SymbiFlow
Programming languagesA completely FOSS toolchain for FPGAs.
202120202019
verilogfpgaxilinxpython+2 more
SymPy
Science and medicineSymPy is a Python library for symbolic mathematics
20262025202420232022202120202019+3
pythonc++numpyjupyter
Open-source 2D animation software
20262025202420232022202120202019
c++gtkgtkmmpython+1 more
Enhanced log daemon, w/ wide range of I/O methods
202220212020201920182016
cpythonjavarust+7 more
Helping women find their potential in code. You are not alone.
2018
pythonjavascriptandroidruby on rails+1 more
Systers, an Anita Borg Institute community
OtherHelping women find their potential in code.
20172016
pythonmysqlandroidruby on rails+3 more
Lighting fast in-memory DBMS with JIT onboard
20222021
cluasqlpython+1 more
TARDIS RT Collaboration
Science and medicineExploring supernovae made easy
20262025202420232022202120202016
cpythoncythonnumba+3 more
TEAMMATES @ National University of Singapore
WebAn online feedback management system for education
201820172016
javascriptjavahtmlcss+2 more
TensorFlow is a ML framework for everyone.
20232022202120202019
pythoncc++machine learning+8 more
Terasology Foundation
End user applicationsVoxel world game/engine with a large focus on extensibility and developer tools
202120202019201820172016
javaopenglblendergradle+8 more
The Apache Software Foundation
WebOpen source software to the public free of charge
20262025202420232022202120202019+3
pythonjavascriptjavaruby+7 more
TianoCore
Operating systemsModern, open source, UEFI BIOS firmware
20222021
cpythonrustgolang+1 more
Tiled
End user applicationsA flexible level editor for everyone!
20262017
githubc++qtgit
Timelab Technologies Ltd.
End user applicationsWe help scientists understanding information in time-series
2016
pythonjavascript
Software & hardware for recording + streaming conferences, meetings, user groups
2019201820172016
cpythonverilogfpga+1 more
TLA+
Programming languagesTLA+ is a formal specification language used to design, model and verify systems
2018
javaocamltla+eclipse+1 more
Tokio
Programming languagesThe asynchronous run-time for the Rust programming language.
2019
rusttokio_rs
Defend yourself against tracking and surveillance.
20252023202220172016
cpythonjavascriptgolang+4 more
Typelevel
Programming languagesWe do functional programming together
20262025
linuxnode.jsjvmscala+1 more
UC OSPO
Science and medicineAmplifying Research Impact through Open Source
2026202520242023
pythoncc++visualization+5 more
UCSC Xena
Science and medicineHelping biologists see the bigger picture in diverse cancer genomics data
201920182017
pythonjavascriptreactclojure+2 more
Unicode, Inc.
Programming languagesBringing internationalization to software!
20252024
javac++rustunicode
Unikraft
Operating systemsA Fast and Secure Unikernel SDK
20262025202420232022
cpythonxenkvm+2 more
United Nations Office of Information Communication Technology
End user applicationsSustainable future through innovative technology.
2026
pythonjavascriptcss
Unitex/GramLab
Programming languagesUnitex/GramLab is an open source, multilingual corpus processing suite
2016
javac++
Uramaki LAB
End user applicationsThe User Experience LAB based on IA
202620252024
pythonjavascripthtmlcss+1 more
Urban Energy Systems Laboratory, Empa
Science and medicineHUES is a platform for modeling & analysis of distributed energy systems
20172016
pythongismilpfast fluid dynamics
Vega Project at the University of Washington
WebDeclarative formats & Applications for Creating, Saving & Sharing Visualizations
20192018
javascriptreacttypescriptd3.js+3 more
VideoLAN
End user applicationsOpen Source Multimedia for everyone!
20262025202420232022202120202019+3
copenglc++qt+9 more
Visual tracking and visual servoing library
20182017
c++visionc
The powerful Python CMS for modern websites
20262025202420232022
pythonjavascriptdjango
Waycrate
End user applicationsWriting robust tools for the Wayland protocol
20252024
cc++rustwayland+1 more
Wayland is a protocol for windowing systems on both desktops and embedded
2016
copenglwaylandxml+1 more
webpack is the module bundler for web projects
202620252024202020192018
javascriptnode.jsweb developmenthtml5/css3+4 more
Wellcome Sanger Tree of Life
Science and medicineGenome analysis for all species
202520242022
pythonjavascriptrustnextflow+3 more
Bringing free educational content to the world
20262024202320222021202020192018+2
javascripthtmlphpcss+6 more
Wine runs Windows applications on Linux, BSD, Solaris, macOS and Android.
20202019201820172016
copenglx11win32+2 more
Wireshark is the world's foremost network protocol analyzer.
2020
cc++luaqt+2 more
WorldBrain.io - Verifying the Internet
End user applicationsBookmarking extension that works like your brain - full-text search everything.
20182017
javascriptreactjsreactbrowser extension+1 more
Comprehensive and open source middleware platform that spans the breadth of SOA
20172016
javaweb servicesmiddlewaresoa+1 more
wxWidgets
Programming languagesLibrary for creating portable native GUIs in C++
2017
c++gtk+win32cocoa
X Window System and related projects (Mesa, DRI, Wayland, etc.)
2023202220202019201820172016
copenglc++vulkan+4 more
Xapian Search Engine Library
DataFast, scalable and flexible search
20202019201820172016
androidc++golangunicode+2 more
Xen
Infrastructure and cloudBringing the power of virtualization everywhere
2017
linuxqemufree/netbsdasm/c/c+++1 more
Lightweight and flexible linux desktop environment
20222021
cpythonjavascriptgtk+1 more
Xi Editor
End user applicationsA modern text editor with a backend written in Rust.
2019
rustswift
Open-source and royalty free multimedia
2021
rustassemblyarmx86+1 more
XMPP Standards Foundation
End user applicationsXSF develops an open-standard messaging protocol
202420232022202020192017
javascriptjavac++xmpp+11 more
XR for the Linux Desktop
2021
cvulkanwaylandglib+1 more
The Advanced Open Source Enterprise Wiki
20232022202120202019201820172016
javascriptjavahtml5css3+2 more
Zendalona
End user applicationsFOSS accessibility solutions for visually impaired
20252024
pythonjavascriptandroidgtk+1 more
Zenodo
Science and medicineA free and open digital archive for the long-tail of science.
2017
pythonpostgresqlflaskangularjs+1 more
Zulip
End user applicationsOrganized chat for distributed teams
20262025202420232022202120202019+3
pythonjavascriptdjangoandroid+6 more
An open source musical software synthesizer with a wide range of possibilities
2019
cc++openglruby+2 more
