Amahi
Making Home Networking and Storage Simple
- 2026
- –
- Cycles
- 4
- Projects
- 18
- Trend
DIRECTORY
522 organizations since 2016
Filter by stack, capacity and track record. Every number comes from Google's public archive.
Fedora Project
Freedom, Friends, Features, and First.
- 2026
- –
- Cycles
- 6
- Projects
- 27
- Trend
freifunk
Free and open wireless networks
- 2026
- –
- Cycles
- 9
- Projects
- 74
- Trend
Gentoo Foundation
A flexible, source-based Linux distribution.
- 2026
- –
- Cycles
- 8
- Projects
- 25
- Trend
GNOME Foundation
The GNOME Foundation is a non-profit organization that believes in a world where everyone is empowered by technology they can trust. We do this by building a diverse and sustainable free software personal computing ecosystem.
- 2026
- 6
- Cycles
- 11
- Projects
- 121
- Trend
GNU Project
GNU is an operating system consisting entirely of free software, meaning it respects users’ freedom. The GNU operating system consists of GNU packages, which are programs released by the GNU Project, as well as free software released by third parties. The development of GNU made it possible to use a computer without relying on software that restricts or undermines user freedom. The GNU Project is the collective organization of maintainers and developers, webmasters, translators, and other contributors who develop and maintain more than 400 programs that together form the GNU operating system.
- 2026
- 5
- Cycles
- 8
- Projects
- 64
- Trend
Haiku
Haiku is a fast, efficient, easy to use and lean open source operating system inspired by the BeOS that specifically targets personal computing.
- 2026
- 3
- Cycles
- 9
- Projects
- 29
- Trend
illumos.org
Open Source successor of OpenSolaris
- 2026
- –
- Cycles
- 1
- Projects
- 0
- Trend
LabLua
LabLua is a research lab at the Catholic University of Rio de Janeiro (PUC-Rio), affiliated with its Computer Science Department. It is dedicated to research on programming languages, with emphasis on the Lua language and reactive programming. It was founded on May 2004 by Prof. Roberto Ierusalimschy, the chief architect of the Lua language.
- 2026
- 4
- Cycles
- 9
- Projects
- 47
- Trend
Microkernel devroom
Confederation of microkernel projects (Genode, HelenOS, GNU Hurd, MINIX, Redox)
- 2026
- –
- Cycles
- 1
- Projects
- 3
- Trend
Netfilter project
Firewalling, NAT and packet mangling for Linux
- 2026
- –
- Cycles
- 4
- Projects
- 11
- Trend
openSUSE Project
The openSUSE Project is a worldwide effort that promotes the use of Linux, tools around it, and open source. The openSUSE community is made up of multiple contributing communities that collaborate as part of a global open-source network. The openSUSE community develops, builds and maintains many of the packages, tools and infrastructure for the distribution. The community works together in an open, transparent and friendly manner as part of the global Free and Open Source Software community. openSUSE creates one of the world's best Linux distributions, as well as a variety of tools, such as OBS, OpenQA, Kiwi, YaST, OSEM and Uyuni. Distributions include a rolling release (Tumbleweed), a stable annual release (Leap) and operating systems for edge, embedded, cloud and containers through MicroOS and ALP.
- 2026
- 8
- Cycles
- 10
- Projects
- 60
- Trend
Performance Co-Pilot
System performance analysis
- 2026
- –
- Cycles
- 6
- Projects
- 19
- Trend
Qubes OS
Qubes OS is a security- and privacy-focused free-and-open-source operating system that provides a safer platform for communications, information management, and general computing.
- 2026
- 3
- Cycles
- 4
- Projects
- 7
- Trend
ReactOS Foundation
Open your windows to freedom!
- 2026
- –
- Cycles
- 7
- Projects
- 15
- Trend
RTEMS Project
RTEMS (Real-Time Executive for Multiprocessor Systems) is a free real-time operating system (RTOS) designed for deeply embedded systems such as automobile electronics, robotic controllers, and on-board satellite instruments.
- 2026
- 8
- Cycles
- 11
- Projects
- 54
- Trend
The FreeBSD Project
FreeBSD is an operating system renowned for its advanced networking capabilities, robust security features, and exceptional performance. It is used across a wide spectrum of computing environments, ranging from the most heavily trafficked websites to desktop computers and embedded devices. Our source code is the foundation for well-known products such as the Sony PlayStation, Junos (the operating system powering Juniper routers), and elements of Apple's macOS. Additionally, FreeBSD runs on servers at Netflix that stream terabits of video content every second.
- 2026
- 11
- Cycles
- 11
- Projects
- 87
- Trend
The Linux Foundation
The Linux Foundation is a non-profit consortium dedicated to fostering the growth of Linux. Founded in 2007 as a merger of the former Free Standards Group (FSG) and the former Open Source Developer Lab (OSDL), the LF sponsors the work of Linux creator Linus Torvalds and is supported by leading Linux and open source companies and developers from around the world. The Linux Foundation promotes, protects and standardizes Linux by providing unified resources and services needed for open source to successfully compete with closed platforms. For more see our [About page](https://www.linuxfoundation.org/about/). All software produced by us is free software published under OSI-approved licenses. See project ideas page for the license used by each project.
- 2026
- 19
- Cycles
- 11
- Projects
- 156
- Trend
The NetBSD Foundation
NetBSD is a free, fast, secure, and highly portable Unix-like Open Source operating system. It is available for a wide range of platforms, from large-scale servers and powerful desktop systems to handheld and embedded devices. Its clean design and advanced features make it excellent for use in both production and research environments, and the source code is freely available under a business-friendly license. NetBSD is developed and supported by a large and vivid international community. Many applications are readily available through pkgsrc, the NetBSD Packages Collection.
- 2026
- 5
- Cycles
- 11
- Projects
- 43
- Trend
Contributor counts are accepted projects per cycle.
A TO Z
Every organization since 2016
A
- AboutCode
- Academy Software Foundation
- Accord Project
- AerospaceResearch.net
- AFLplusplus
- aimacode
- Alaska
- Amahi
- Android Graphics Tools Team
- AnitaB.org Open Source
- AnkiDroid
- AOSSIE
- AOSSIE - The Australian National University's Open-Source Software Innovation and Education
- Apache DataFusion
- Apache Software Foundation
- Apertium
- Apertus Association
- API Client Tools at Google
- API Dash
- appleseed
- ArchC
- Arduino
- ArduPilot
- ASCEND
- AsyncAPI
- Audacity
B
C
- C2SI
- Cadasta
- caMicroscope
- Canadian Centre for Computational Genomics
- Carbon Language
- Casbin
- CASTOR
- cBioPortal for Cancer Genomics
- CBMI@UTHSC
- CCExtractor Development
- Celluloid
- Center for Research in Open Source Software (CROSS)
- Center for Translational Data Science
- Ceph Foundation
- CERN SFT
- CERN-HSF
- CGAL Project
- CHAOSS
- Chapel
- Checker Framework
- checkstyle
- CHIPS Alliance
- Chromium
- Cilium
- CircuitVerse.org
- City of Boston
- CiviCRM
- Classical Language Toolkit
- CLiPS, University of Antwerp
- Clojure
- CloudCV
- CMU Sphinx
- CNCF
- coala
- Cockpit Project
- Computational Biology @ University of Nebraska-Lincoln
- Computational Science and Engineering at TU Wien
- Continuous Delivery Foundation
- Conversations.im
- Copyleft Games
- coreboot
- Creative Commons
- CRIU
- Cuneiform Digital Library Initiative (CDLI)
- CVAT
- CVXPY
D
- D Language Foundation
- Dart
- Data for the Common Good
- DatenLord
- DBpedia
- Debian
- DeepChem
- DeepPavlov
- Department of Biomedical Informatics, Emory University
- Developers Italia
- Digital Impact Alliance (DIAL) at UN Foundation
- Discourse
- Distributed and Unified Numerics Environment (DUNE)
- Django Software Foundation
- dora-rs
- Drupal Association
E
F
G
- Gambit - Software Tools for Game Theory
- Gambit: The package for computation in game theory
- Ganeti
- GCP Scanner
- GDevelop
- Gemini CLI
- Genes, Genomes and Variation
- GENIVI Alliance
- Genome Assembly and Annotation
- Gentoo Foundation
- GeomScale
- German Center for Open Source AI
- Git
- GitHub
- GitLab
- Global Alliance for Genomics and Health
- GNOME Foundation
- GNSS-SDR
- GNU Compiler Collection (GCC)
- GNU Image Manipulation Program
- GNU Mailman
- GNU Mailman Project
- GNU Octave
- GNU Project
- GNU Radio
- GnuTLS
- Godot Engine
- Google DeepMind
- Google FHIR SDK
- GPAC
- gprMax
- GRAME
- Graphite
- GraphQL Foundation
- Green Navigation
- gRPC
- GRR Rapid Response
- gVisor
I
- illumos.org
- INCF
- Inclusive Design Institute
- Indic Project
- Inkscape
- Inria Foundation
- Institut für Angewandte Informatik (InfAI) e.V.
- Institute for Artificial Intelligence
- Intel Video and Audio for Linux
- InterMine
- International Catrobat Association
- Internet Archive
- Internet Health Report
- Internet Systems Consortium
- Invesalius
- IOOS
- Ivy (lets-unify.ai)
J
K
L
M
- Machine Learning for Science (ML4SCI)
- MacPorts
- MalariaGEN
- Mantis
- MapAction
- MariaDB
- Mathesar
- Matrix.org
- Mautic
- Mayor's Office of New Urban Mechanics
- MBDyn
- McGill Space Institute
- MDAnalysis
- Measurement Lab
- Media Cloud
- MediaPipe
- Meshery
- MetaBrainz Foundation Inc
- MetaCall
- Metaflow
- Metasploit
- MGGG Redistricting Lab
- Micro Electronics Research Lab - UITU
- Microkernel devroom
- MIT App Inventor
- Mixxx
- MLLAM
- mlpack
- Mobile Robot Programming Toolkit (MRPT)
- ModSecurity
- MoFA Org
- MoganLab
- Moira
- moja global
- Monado
- Mono Project
- Moodle
- MoveIt
- Mozilla
- MuseScore
- mypy
- MZmine
- MZmine and MS-DIAL
N
O
- omegaUp
- Open Bioinformatics Foundation (OBF)
- Open Chemistry
- Open Chromosome Collective
- Open Climate Fix
- Open Data Kit
- Open Detection
- Open Ephys
- Open Food Facts
- Open Genome Informatics
- Open HealthCare Network
- Open Roberta
- Open Robotics
- Open Science Initiative for Perfusion Imaging
- Open Science Labs
- Open States
- Open Technologies Alliance - GFOSS
- Open Transit Software Foundation
- Open3D team
- OpenAFS
- OpenAstronomy
- OpenCensus
- OpenCV
- OpenELIS Global
- OpenEMR
- OpenHMD
- OpenKeychain (OpenPGP for Android)
- OpenMined
- OpenMRS
- OpenMS
- OpenRefine
- OpenSIPS
- OpenStreetMap
- openSUSE Project
- OpenVINO Toolkit
- OpenWISP
- OpnTec
- Oppia Foundation
- Orange – Data Mining Fruitful & Fun
- Orcasound
- Organic Maps
- OSGeo (Open Source Geospatial Foundation)
- OSU Open Source Lab
- Our World In Data
- oVirt
- OW2
- OWASP Foundation
- ownCloud
P
- P2PSP.org
- PAL Robotics
- PEcAn Project
- Peragro
- Percona
- Performance Co-Pilot
- Pharo Consortium
- phpBB Forum Software
- phpMyAdmin
- Physical Web Project
- Pidgin Instant Messenger
- Pitivi
- Plan 9 Foundation
- PLASMA-UMass
- Plone Foundation
- PMD
- Pocket Science Lab
- Point Cloud Library
- Polly Labs
- Polypheny
- Portland State University
- PostgreSQL
- Postman
- PowerDNS
- preCICE
- PRISM Model Checker
- Probot
- Processing Foundation
- Project Mesa
- Project PANOPTES
- Project WikiLoop
- Prometheus-Operator
- Public Lab
- Purr Data
- Python Software Foundation
R
S
- SageMath
- Salesforce
- Samba
- Scala Center
- Scalable Parallel Computing Laboratory
- Scilab
- SCoRe Lab
- ScummVM
- SeaQL
- Seastar
- Semi Technologies
- Shaka Player
- Shogun
- Sigmah
- sktime
- Society for Arts and Technology (SAT)
- Software and Computational Systems Lab at LMU Munich
- Software Heritage
- Soletta Project
- Space @ Virginia Tech
- SPDX
- SQLancer
- St. Jude Children's Research Hospital
- stdlib
- Ste||ar group
- Stemformatics
- Stichting SU2
- Stony Brook University Biomedical Informatics
- strace
- Stratosphere Laboratory, Czech Technical University in Prague
- Streetmix
- Submitty
- Sugar Labs
- SW360
- Swift
- SymbiFlow
- SymPy
- Synfig
- syslog-ng
- Systers Community
- Systers, an Anita Borg Institute community
T
- Tarantool
- TARDIS RT Collaboration
- TARDIS SN
- TEAMMATES @ National University of Singapore
- TensorFlow
- The Apache Software Foundation
- The Center for Connected Learning and Computer-Based Modeling
- The ENIGMA Team
- The FreeBSD Project
- The Honeynet Project
- The JPF team
- The Julia Language
- The Libreswan Project
- The Linux Foundation
- The Mifos Initiative
- The Monarch Initiative
- The NetBSD Foundation
- The ns-3 Network Simulator Project
- The OpenROAD Initiative
- The P4 Language Consortium
- The Palisadoes Foundation
- The Perl Foundation
- The Postgres Operator
- The Qt Project
- The Rust Foundation
- The Terasology Foundation
- The Tor Project
- The Vega Project at the University of Washington
- The Wine Project
- TianoCore
- Tiled
- Timelab Technologies Ltd.
- TimVideos.us
- TLA+
- Tokio
- Tungsten Fabric
- Typelevel
U
W
X