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522 organizations since 2016

Filter by stack, capacity and track record. Every number comes from Google's public archive.

Since 2016 522GSoC 2026 183
AllEvery cycle since 201640First time in 202617Ten or more contributors27Growing in 202613Back after a break22

Showing 1–24 of 25 organizations

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  • Apache Software Foundation

    WebNew in 2026

    The Foundation provides an established framework for intellectual property and financial contributions that simultaneously limits contributors potential legal exposure. Through a collaborative and meritocratic development process, Apache projects deliver enterprise-grade, freely available software products that attract large communities of users. The pragmatic Apache License makes it easy for all users, commercial and individual, to deploy Apache products.

    2026
    34
    Cycles
    1
    Projects
    34
    Trend
    CJavaC++

  • Casbin

    Web

    Authorization library that supports RBAC and ABAC

    2026
    –
    Cycles
    3
    Projects
    22
    Trend
    PythonJavaScriptGoReact+6

  • CloudCV

    Web

    Building platforms for reproducible AI Research

    2026
    –
    Cycles
    9
    Projects
    28
    Trend
    PythonJavaScriptLuaCaffe+13

  • Creative Commons

    Web

    Nonprofit building a global digital commons.

    2026
    –
    Cycles
    4
    Projects
    14
    Trend
    PythonPostgreSQLJavaScriptElasticsearch+5

  • Data for the Common Good

    Web

    Data for the Common Good is dedicated to building communities, platforms, and ecosystems that maximize the potential of data to drive discovery and improve human health. Headquartered in the Department of Pediatrics at the University of Chicago, our team of experts works with collaborators all over the world to connect and share useful, high-quality data between institutions, groups, and countries to increase opportunities for discovery.

    2026
    5
    Cycles
    3
    Projects
    13
    Trend
    PythonJavaScriptKubernetesReactjs+1

  • Drupal Association

    Web

    Drupal is a powerful Content Management System (CMS) and framework built on PHP, used globally by governments, universities, and businesses to build complex websites and applications, offering unmatched flexibility, security, and scalability through its modular architecture (modules and themes) and community-driven development.

    2026
    6
    Cycles
    10
    Projects
    45
    Trend
    JavaScriptHTML5SQLPHP+9

  • FOSSology

    Web

    FOSSology is an open source license compliance software system and toolkit. As a toolkit you can run license, copyright and export control scans from the command line. As a system, a database and web UI are provided to give you a compliance workflow. License, copyright and export scanners are tools used in the workflow.

    2026
    7
    Cycles
    9
    Projects
    49
    Trend
    LinuxPostgreSQLCC+++10

  • Hydra Ecosystem

    Web

    Automate REST APIs. Build next generation API clients.

    2026
    –
    Cycles
    4
    Projects
    8
    Trend
    PythonFlaskRDFHydra+8

  • JBoss Community

    Web

    JBoss Community is a community of open source projects. The community hosts a diverse set of projects that are written in various programming languages. The primary language is Java, however there are also projects that are written in Go, Rust, Ruby, PHP, Node and other languages.

    2026
    8
    Cycles
    8
    Projects
    60
    Trend
    AndroidJavaIDEAsciidoctor+11

  • jQuery Foundation

    Web

    jQuery Foundation - home of jQuery, Dojo and many other JavaScript libraries

    2026
    –
    Cycles
    1
    Projects
    7
    Trend
    JavaScriptHTML5CSSjQuery

  • Mozilla

    Web

    Keeping the Internet open and accessible to all.

    2026
    –
    Cycles
    5
    Projects
    75
    Trend
    PythonJavaScriptC++Rust+5

  • Netty

    Web

    Netty is an asynchronous event-driven network framework

    2026
    –
    Cycles
    1
    Projects
    1
    Trend
    CJavaJni

  • Neutralinojs

    Web

    Neutralinojs is a lightweight and portable desktop application development framework. It lets you develop lightweight cross-platform desktop applications using JavaScript, HTML, and CSS. You can extend Neutralinojs with any programming language (via extensions IPC) and use Neutralinojs as a part of any source file (via child processes IPC).

    2026
    3
    Cycles
    3
    Projects
    7
    Trend
    CJavaScriptNode.jsC+++1

  • Plone Foundation

    Web

    Python-based CMS, with React front-end.

    2026
    –
    Cycles
    7
    Projects
    26
    Trend
    PythonJavaScriptRESTNoSQL+5

  • Quill.org

    Web

    Helping millions of learners become better writers and critical thinkers

    2026
    –
    Cycles
    1
    Projects
    1
    Trend
    PostgreSQLJavaScriptReactRuby+1

  • The Tor Project

    Web

    Defend yourself against tracking and surveillance.

    2026
    –
    Cycles
    5
    Projects
    19
    Trend
    CPythonJavaScriptGo+4

  • Wagtail

    Web

    We build Wagtail, a popular content management system. It's built on Python, by an active and engaged open source community, which has grown rapidly since Wagtail's release in 2014. Wagtail is available in over 40 languages, and used by some of the world's best-known organizations, including NASA, Google, Mozilla, MIT, and the UK's National Health Service, as well as museums, universities, non-profits, governments, banks, studios, restaurants, startups and bloggers around the world.

    2026
    4
    Cycles
    5
    Projects
    15
    Trend
    PythonJavaScriptDjango

  • webpack

    Web

    webpack is THE build tool for modern web applications run on NodeJS webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.

    2026
    3
    Cycles
    6
    Projects
    13
    Trend
    JavaScriptNode.jsWeb DevelopmentHTML5/CSS3+5

  • Wikimedia Foundation

    Web

    Wikimedia strives to bring about a world in which every single human being can freely share in the sum of all knowledge; through various projects, chapters, and the support structure of the non-profit Wikimedia Foundation. Wikimedia officially supports 13 projects, including Wikipedia, the seventh most popular site on the internet. Wikipedia receives over 20 billion global page views every month and is available in over 300 languages. The tech behind it ensures that our projects are fast, reliable, and open to all. We design and build the open-source technology that powers Wikimedia projects from hosting Wikipedia to creating edit-checking artificial intelligence (AI). Community volunteers and Foundation technologists collaborate on MediaWiki, which makes sharing free knowledge possible. Read more about Wikimedia on our homepage: https://wikimediafoundation.org/

    2026
    8
    Cycles
    10
    Projects
    93
    Trend
    JavaScriptHTMLPHPCSS+6

Contributor counts are accepted projects per cycle.

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Every organization since 2016