A listing of non-profit foundations that host FOSS projects or are otherwise significant in the open source ecosystem.

Commercial entities and projects that aren’t independent legal entities are not included here, as noted in our data philosophy. See our OpenAPI spec.

---

• AlmaLinux OS Foundation

  Website: https://almalinux.org
  Nonprofit Type: Nonprofit501c6
  

• Apereo Foundation Inc

  Website: https://apereo.org
  Nonprofit Type: Nonprofit501c3
  The Apereo Foundation works internationally to increase the awareness, development and adoption of open source software in support of academia: education, scholarship, research and community. Apereo projects and communities span educational disciplines and technologies, operational infrastructure and practices, and research activities and interests; 'for academics, by academics.'

• Apache Software Foundation

  Website: https://www.apache.org/
  Nonprofit Type: Nonprofit501c3
  

• Beneficent Technology Inc

  Website: https://benetech.org/
  Nonprofit Type: Nonprofit501c3
  Benetech’s nonprofit software empowers communities with software for social good. Learn how all humanity can benefit from the technology we’re developing.

• BioBricks Foundation

  Website: https://biobricks.org/
  Nonprofit Type: Nonprofit501c3
  

• Bytecode Alliance Foundation

  Website: https://bytecodealliance.org/
  Nonprofit Type: Nonprofit501c6
  We develop runtime environments and language toolchains where security, efficiency, and modularity can all coexist across a wide range of devices and architectures

• Clojurists Together Foundation

  Website: https://www.clojuriststogether.org
  Nonprofit Type: Nonprofit501c6
  The Clojurists Together Foundation is a trade organisation, dedicated to funding and supporting open source software, infrastructure, and documentation that is important to the Clojure and ClojureScript community.

• Commonhaus Foundation

  Website: https://www.commonhaus.org/
  Nonprofit Type: Nonprofit501c6
  Building a forever home for open source projects.

• Creative Commons

  Website: https://creativecommons.org/
  Nonprofit Type: Nonprofit501c3
  

• Django Events Foundation North America

  Website: https://www.defna.org/
  Nonprofit Type: Nonprofit501c3
  

• Django Software Foundation

  Website: https://www.djangoproject.com/
  Nonprofit Type: Nonprofit501c3
  

• .NET Foundation

  Website: https://dotnetfoundation.org/
  Nonprofit Type: Nonprofit501c6
  

• Drupal Association

  Website: https://www.drupal.org/
  Nonprofit Type: Nonprofit501c3
  

• Eclipse Foundation AISBL

  Website: https://eclipse.org/
  Nonprofit Type: Belgian charitable; Nonprofit501c6
  The Eclipse Foundation provides its global community of individuals and organizations with a mature, scalable, and business-friendly environment for open source software collaboration and innovation.

• Electronic Frontier Foundation

  Website: https://www.eff.org/
  Nonprofit Type: Nonprofit501c3
  Defending your rights in the digital world

• Erlang Ecosystem Foundation

  Website: https://www.erlef.org/
  Nonprofit Type: Nonprofit501c3
  Supporting the next generation of advanced, reliable, realtime applications

• Foundation for Public Code vereniging

  Website: https://publiccode.net/
  Nonprofit Type: algemeen nut beogende instelling
  

• FreeBSD Foundation

  Website: https://www.freebsd.org/
  Nonprofit Type: Nonprofit501c3
  

• Free Software Foundation, Inc.

  Website: http://www.fsf.org
  Nonprofit Type: Nonprofit501c3
  

• Free Software Foundation Europe e.V.

  Website: https://fsfe.org/
  Nonprofit Type: charitable e.V.
  Free Software Foundation Europe is a charity that empowers users to control technology.

• Free Software Support Network

  Website: http://freesoftwaresupport.net/
  Nonprofit Type: Nonprofit501c3
  

• F# Software Foundation

  Website: https://foundation.fsharp.org/
  Nonprofit Type: Nonprofit501c3
  

• The Gentoo Foundation, Inc.

  Website: https://www.gentoo.org/
  Nonprofit Type: New Mexico non profit
  

• GNOME Foundation

  Website: https://www.gnome.org/
  Nonprofit Type: Nonprofit501c3
  

• Haiku, Inc.

  Website: https://www.haiku-inc.org/
  Nonprofit Type: Nonprofit501c3
  

• Haskell-org Inc.

  Website: https://www.haskell.org/
  Nonprofit Type: Nonprofit501c3
  

• Identity Commons Inc

  Website: https://idcommons.net
  Nonprofit Type: Nonprofit501c6
  

• Internet Systems Consortium, Inc.

  Website: https://www.isc.org/
  Nonprofit Type: Nonprofit501c3
  

• Open Source Matters

  Website: https://www.opensourcematters.org/
  Nonprofit Type: charitable
  

• KDE e.V.

  Website: https://ev.kde.org/
  Nonprofit Type: DEAssociation
  

• Kuali Foundation Inc.

  Website: https://www.kuali.co/about
  Nonprofit Type: Nonprofit501c3
  

• Linux Foundation

  Website: https://www.linuxfoundation.org/
  Nonprofit Type: Nonprofit501c6
  

• LF Charities Inc

  Website: https://lf-charities.org/
  Nonprofit Type: Nonprofit501c3
  A non-profit fiscal host working closely with the LF.

• Linux Kernel Organization

  Website: https://www.kernel.org/nonprofit.html
  Nonprofit Type: Nonprofit501c3
  

• LLVM Foundation

  Website: https://foundation.llvm.org/
  Nonprofit Type: Nonprofit501c3
  

• Mozilla Foundation

  Website: https://www.mozilla.org/
  Nonprofit Type: Nonprofit501c3
  

• The NetBSD Foundation, Inc.

  Website: http://www.netbsd.org/
  Nonprofit Type: Nonprofit501c3
  

• NumFocus, Inc.

  Website: https://numfocus.org/
  Nonprofit Type: Nonprofit501c3
  

• Oasis Open

  Website: https://www.oasis-open.org/
  Nonprofit Type: Nonprofit501c3
  

• Open Collective Foundation

  Website: https://opencollective.foundation
  Nonprofit Type: Nonprofit501c3
  Past fiscal host for FOSS projects; shutting down in 2024

• Open Education Global Inc

  Website: https://www.oeglobal.org/
  Nonprofit Type: Nonprofit501c3
  

• Open Information Security Foundation

  Website: https://oisf.net/
  Nonprofit Type: Nonprofit501c3
  Building community and supporting open source security technologies like Suricata.

• One Laptop Per Child Association Inc.

  Website: https://laptop.org
  Nonprofit Type: Nonprofit501c3
  

• Open Molecular Software Foundation

  Website: https://omsf.io
  Nonprofit Type: Nonprofit501c3
  The Open Molecular Software Foundation

• Open Compute Project Foundation

  Website: https://opencompute.org
  Nonprofit Type: Nonprofit501c6
  Open Compute Project

• Open Connectivity Foundation Inc

  Website: https://openconnectivity.org/
  Nonprofit Type: Nonprofit501c6
  

• OpenID Foundation

  Website: https://openid.net/foundation/
  Nonprofit Type: Nonprofit501c6
  

• OpenJS Foundation

  Website: https://www.openjsf.org/
  Nonprofit Type: Nonprofit501c6
  

• Open Source Robotics Foundation Inc

  Website: https://www.openrobotics.org
  Nonprofit Type: Nonprofit501c3
  

• Openstack Foundation

  Website: https://openinfra.dev/
  Nonprofit Type: Nonprofit501c6
  

• Openstreetmap Foundation

  Website: https://osmfoundation.org/
  Nonprofit Type: LimitedByGuaranteeCharity
  

• Open Technology Fund

  Website: https://www.opentech.fund/
  Nonprofit Type: Nonprofit501c3
  OTF | Supporting Internet Freedom Worldwide

• Open Transit Software Foundation

  Website: https://opentransitsoftwarefoundation.org/
  Nonprofit Type: Nonprofit501c3
  

• Open Source Collective

  Website: https://www.oscollective.org
  Nonprofit Type: Nonprofit501c6
  Our mission is to promote sustainability and health in the open source ecosystem, while working to benefit all those who create and use open source software.

• OSET Institute

  Website: https://www.osetinstitute.org
  Nonprofit Type: Nonprofit501c3
  

• Open Source Geospatial Foundation

  Website: https://www.osgeo.org/
  Nonprofit Type: Nonprofit501c4
  

• Open Source Initiative

  Website: http://opensource.org/
  Nonprofit Type: Nonprofit501c3
  

• Open Web Application Security Project

  Website: https://www.owasp.org/
  Nonprofit Type: Nonprofit501c3
  

• Participatory Culture Foundation

  Website: https://pculture.org/
  Nonprofit Type: Nonprofit501c3
  

• Yet Another Society, (DBA) The Perl And Raku Foundation

  Website: https://www.perlfoundation.org/
  Nonprofit Type: Nonprofit501c3
  

• Plone Foundation

  Website: https://plone.org/foundation/committees/ip/policy
  Nonprofit Type: Nonprofit501c3
  

• United States Postgresql Association

  Website: https://postgresql.us
  Nonprofit Type: Nonprofit501c3
  

• Python Software Foundation

  Website: https://www.python.org/psf-landing/
  Nonprofit Type: Nonprofit501c3
  

• Rails Foundation

  Website: https://rubyonrails.org/foundation
  Nonprofit Type: Nonprofit501c6
  

• Raspberry Pi Foundation

  Website: https://www.raspberrypi.org/about/
  Nonprofit Type: LimitedByGuaranteeCharity
  

• Raspberry Pi Foundation North America Inc

  Website: https://www.raspberrypi.org/about/
  Nonprofit Type: Nonprofit501c3
  

• Ruby Central, Inc.

  Website: https://rubycentral.org/
  Nonprofit Type: Nonprofit501c3
  

• Rust Foundation

  Website: https://foundation.rust-lang.org/
  Nonprofit Type: Nonprofit501c6
  

• Sahana Foundation

  Website: https://sahanafoundation.org/
  Nonprofit Type: Nonprofit501c3
  

• Linux Expo of Southern California

  Website: https://www.socallinuxexpo.org/
  Nonprofit Type: Nonprofit501c3
  

• Software Freedom Conservancy

  Website: https://sfconservancy.org/
  Nonprofit Type: Nonprofit501c3
  

• Software Freedom Law Center

  Website: https://www.softwarefreedom.org/
  Nonprofit Type: Nonprofit501c3
  

• Signal Foundation

  Website: https://signalfoundation.org/
  Nonprofit Type: Nonprofit501c3
  

• Software in the Public Interest

  Website: https://www.spi-inc.org/
  Nonprofit Type: Nonprofit501c3
  

• The Document Foundation

  Website: https://www.documentfoundation.org/
  Nonprofit Type: charitable
  

• Technology Matters

  Website: https://techmatters.org/
  Nonprofit Type: Nonprofit501c3
  

• TeX Users Group

  Website: https://tug.org
  Nonprofit Type: Nonprofit501c3
  

• Wikimedia Foundation

  Website: https://wikimediafoundation.org/
  Nonprofit Type: Nonprofit501c3
  

• WordPress Foundation

  Website: https://wordpress.org/
  Nonprofit Type: Nonprofit501c3
  

• XIPH ORG Foundation

  Website: https://xiph.org
  Nonprofit Type: Nonprofit501c3
  

• XMPP Standards Foundation

  Website: https://xmpp.org
  Nonprofit Type: Nonprofit501c3
  

---

Table of contents

• Foundations By Category
• Non-Foundation FOSS Entities
• Selected Commercial Entities
• Software Projects Hosted At Foundations

---