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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 1–22 of 22 organizations

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  • Chromium

    Operating systems

    Fast, seamless, safe, and reliable web for all

    2026
    –
    Cycles
    5
    Projects
    71
    Trend
    PythonJavaScriptJavaC+++1

  • Debian

    Operating systems

    The Debian Project is an association of Free Software developers who volunteer their time and effort in order to produce and maintain a completely free operating system Debian. Since its launch, the Debian project has grown to comprise more than 1,000 members with official developer status, alongside many more volunteers and contributors. Today, Debian encompasses over 50,000 packages of free, open source applications and documentation.

    2026
    7
    Cycles
    9
    Projects
    85
    Trend
    CPythonDjangoRuby+7

  • Free and Open Source Silicon Foundation

    Other

    The FOSSi (Free and Open Source Silicon) Foundation is a not-for-profit organization with the support the growing community of open source silicon hardware. We do this with a variety of activities and through Google Summer of Code we bring together enthusiastic mentees and outstanding projects. Under our umbrella are open source silicon hardware projects, operating systems and compilers for such projects, tools for electronic design automation and the related ecosystem.

    2026
    5
    Cycles
    11
    Projects
    65
    Trend
    PythonJavaScriptFPGACompiler+10

  • GDevelop

    Programming languages

    The cross-platform game engine designed for everyone.

    2026
    –
    Cycles
    1
    Projects
    2
    Trend
    JavaScriptCC++React+2

  • Global Alliance for Genomics and Health

    Science and medicine

    The Global Alliance for Genomics and Health (GA4GH) was formed to help accelerate the potential of genomic medicine to advance human health. It brings together over 400 leading genome institutes and centers with IT industry leaders to create global standards and tools for the secure, privacy respecting and interoperable sharing of Genomic data.

    2026
    4
    Cycles
    10
    Projects
    49
    Trend
    PythonJavaSQLProtobuf+10

  • Haiku

    Operating systems

    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
    C++PosixFFmpegBsd Unix+5

  • Inkscape

    End user applications

    Draw freely!

    2026
    –
    Cycles
    10
    Projects
    27
    Trend
    PythonC++CSSSVG+5

  • Mozilla

    Web

    Keeping the Internet open and accessible to all.

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

  • National Resource for Network Biology (NRNB)

    Science and medicine

    The National Resource for Network Biology (NRNB, https://nrnb.org) organizes the development of free, open-source software technologies to enable network-based visualization, analysis, and biomedical discovery. Biomedical research is increasingly dependent on knowledge expressed in terms of networks, including gene, protein and drug interactions, cell-cell and viral-host communication, and vast social networks. Our technologies enable researchers to assemble and analyze these networks and to use them to better understand biological systems and, in particular, how they fail in disease. The NRNB mentoring organization includes projects such as Cytoscape (https://cytoscape.org/), WikiPathways (https://wikipathways.org/), SBML (https://sbml.org/), SBGN (https://sbgn.github.io/) and others. This is a great opportunity to work at the intersection of biology and computing! For example, Cytoscape is downloaded over 24,000 times per month by researchers. We take mentoring seriously and are proud of our 96% success rate (https://nrnb.org/alumni.html#gsoc-tab) with former students and projects. But don’t take our word for it, read testimonials from prior NRNB students (https://nrnb.org/testimonials.html#student-tab) and mentors (https://nrnb.org/testimonials.html#mentor-tab). Find out more about the software projects being developed in coordination with NRNB at our website (https://nrnb.org). Also refer to our GSoC page (https://nrnb.org/gsoc.html) for additional resources and application tips.

    2026
    7
    Cycles
    11
    Projects
    126
    Trend
    PythonJavaScriptJavaC+++10

  • Open Roberta

    Programming languages

    Open Roberta® Lab is an online IDE introducing kids to program robots with NEPO®

    2026
    –
    Cycles
    4
    Projects
    8
    Trend
    JavaScriptJavaPythonGo+2

  • Open Science Labs

    Science and medicine

    Open Science Labs is a global community dedicated to creating an open space for teaching, learning, and sharing information about open science and computational tools. Our community develops tools that address real-world problems and collaborates with other projects and workgroups to improve technology and create international opportunities for our community. Although our focus may seem broad, we initially prioritize supporting Research Software Engineers (RSEs) who often face computational challenges in their work. We recognize that many colleagues in scientific fields may not be familiar with programming languages, computational libraries, version control systems, databases, DevOps, and other computational tools. Therefore, we aim to provide a safe and open space for individuals to learn and share their knowledge. Our community is open to everyone, including students, professors, and industry professionals, as we believe that the challenges and technologies used in these fields are frequently similar, if not the same (in many cases).

    2026
    7
    Cycles
    2
    Projects
    11
    Trend
    PythonJavaScriptC++Docker+2

  • Open Technologies Alliance - GFOSS

    Science and medicine

    Open Technologies Alliance (GFOSS) is a non-profit organization, with 37 Universities and Research Centers as its shareholders. Our main goal is to promote Openness. GFOSS – Open Technologies Alliance is a platform for Open Standards, Free Software, Open Content, Open Data & Open Hardware in Greece. The major Greek Universities and Research Centers participate in GFOSS – Open Technologies Alliance, while leading members of the Greek community of developers play a key role in the implementation of our policies. Through our initiatives we aspire to contribute and coordinate the efforts of groups of volunteers, public servants, university researchers and students enabling them to form the backbone of Greek FOSS development and implementation. GFOSS is one of the strategic actors for the promotion of OSS throughout Greece (see https://joinup.ec.europa.eu/sites/default/files/inline-files/OSS%20Country%20Intelligence%20Report_GR.pdf ). Many public administrations and academic institutions collaborate with GFOSS to implement open source projects and through Google Summer of Code we give the opportunity to students to actively engage in the production and the actual implementation of an open source project. GFOSS also contributes and advises on the development of various open source projects related to e-government and digital transformation in Greece (e.g. https://howto.gov.gr/ - https://forma.gov.gr/) and actively promotes the use of Open Source software and hardware in the Greek primary and secondary education through the Open Educational Technologies Competition (https://openedtech.ellak.gr/ )

    2026
    7
    Cycles
    9
    Projects
    77
    Trend
    PythonMySQLJavaPHP+16

  • OpenStreetMap

    Data

    OpenStreetMap is a crowdsourcing project that creates and distributes free geographic data for the world. Our data is collected by hundreds of thousands of contributors around the globe and released with an open-content license. We allow free access not only to our map products, but all the underlying map data, which powers websites and apps used by billions of people worldwide.

    2026
    5
    Cycles
    11
    Projects
    50
    Trend
    JavaScriptJavaOpenGLRuby+9

  • openSUSE Project

    Operating systems

    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
    LinuxRuby On RailsRubyDocker+18

  • OWASP Foundation

    Security

    As the world’s largest non-profit organization concerned with software security, OWASP:

    2026
    26
    Cycles
    10
    Projects
    128
    Trend
    PythonJavaScriptJavaHTML+10

  • Purr Data

    End user applications

    Realtime Audio/Visual Programming Environment

    2026
    –
    Cycles
    7
    Projects
    15
    Trend
    JavaScriptCC++Node.js+7

  • Ruby Science Foundation

    Science and medicine

    Tools for scientific computation in Ruby

    2026
    –
    Cycles
    4
    Projects
    13
    Trend
    CC++RubyJruby+8

  • Submitty

    End user applications

    Submitty is an open source programming assignment submission system with secure and automated testing and grading, efficient manual TA/instructor grading, and additional tools for overall course management and communication between students and instructional staff. Submitty was launched by the Rensselaer Center for Open Source Software (RCOS) in 2014.

    2026
    3
    Cycles
    7
    Projects
    22
    Trend
    PythonC++DatabasesWeb+6

  • 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

Contributor counts are accepted projects per cycle.

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Every organization since 2016