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DIRECTORY

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 313–329 of 329 organizations

Took part in 2016Took part in 2023Took part in 2019Clear all

  • Unitex/GramLab

    Programming languages

    Unitex/GramLab is an open source, multilingual corpus processing suite

    2026
    –
    Cycles
    1
    Projects
    2
    Trend
    JavaC++

  • Urban Energy Systems Laboratory, Empa

    Science and medicine

    HUES is a platform for modeling & analysis of distributed energy systems

    2026
    –
    Cycles
    2
    Projects
    6
    Trend
    PythonGISMilpFast Fluid Dynamics

  • VideoLAN

    End user applications

    The VideoLAN project is led by and composed of a team of volunteers who believe in the power of open source to rock the multimedia world. We produce multimedia software notably the famous VLC media player as well as designated libraries and codecs.

    2026
    15
    Cycles
    11
    Projects
    107
    Trend
    COpenGLC++Qt+9

  • vitrivr

    Data

    The multimedia search engine

    2026
    –
    Cycles
    3
    Projects
    6
    Trend
    JavaMachine learningWebDatabases+8

  • 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

  • Wayland

    Media

    Wayland is a protocol for windowing systems on both desktops and embedded

    2026
    –
    Cycles
    1
    Projects
    1
    Trend
    COpenGLWaylandXML+1

  • 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

  • WSO2

    Other

    Comprehensive and open source middleware platform that spans the breadth of SOA

    2026
    –
    Cycles
    2
    Projects
    20
    Trend
    JavaWeb ServicesMiddlewareSoa+1

  • X.Org Foundation

    Media

    X Window System and related projects (Mesa, DRI, Wayland, etc.)

    2026
    –
    Cycles
    7
    Projects
    19
    Trend
    COpenGLC++Vulkan+4

  • Xi Editor

    End user applications

    A modern text editor with a backend written in Rust.

    2026
    –
    Cycles
    2
    Projects
    4
    Trend
    RustSwift

  • XMPP Standards Foundation

    End user applications

    XSF develops an open-standard messaging protocol

    2026
    –
    Cycles
    6
    Projects
    11
    Trend
    JavaScriptJavaC++Xmpp+11

  • xpra

    Media

    screen for X11, remote access for MS Windows and Mac OS

    2026
    –
    Cycles
    2
    Projects
    0
    Trend
    PythonCythonJavaScriptCompression+2

  • XWiki

    Web

    The Advanced Open Source Enterprise Wiki

    2026
    –
    Cycles
    8
    Projects
    12
    Trend
    JavaScriptJavaHTML5CSS3+2

  • Zulip

    End user applications

    Zulip is the only modern team chat app that is ideal for both live and asynchronous conversations. Zulip has a web app, a cross-platform mobile app for iOS and Android, cross-platform desktop and terminal apps, and over 100 native integrations. The entire Zulip codebase is 100% open source.

    2026
    11
    Cycles
    11
    Projects
    146
    Trend
    PythonJavaScriptDjangoAndroid+6

  • ZynAddSubFX

    Media

    An open source musical software synthesizer with a wide range of possibilities

    2026
    –
    Cycles
    1
    Projects
    1
    Trend
    CC++OpenGLRuby+2

Contributor counts are accepted projects per cycle.

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