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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 1–24 of 29 organizations

HTMLPythonAndroidJavaJavaScriptDebuggingSecurityClear all

  • Android Graphics Tools Team

    Programming languages

    Providing excellent tools for graphics developers and driver makers

    2026
    –
    Cycles
    3
    Projects
    8
    Trend
    CC++JavaOpenGL+4

  • C2SI

    End user applications

    The Ceylon Computer Science Institute (C2SI) conducts research in various domains, including security, artificial intelligence, mobile applications, cloud computing, and software tools. Our research aims to create computing solutions by identifying low-cost methodologies and strategies that promote sustainability. Currently, C2SI is at a pivotal stage in its evolution, having secured high donor confidence, as evidenced by multiple foreign-funded projects. The institute focuses on developing sustainable computing solutions that leverage low-cost computing and communication technologies, particularly for developing and emerging regions worldwide. We have developed several affordable and sustainable ICT solutions, with a special focus on the needs of the developing world. These solutions are briefly described in the projects section.

    2026
    14
    Cycles
    2
    Projects
    26
    Trend
    PythonJavaGoNode.js+2

  • Casbin

    Web

    Authorization library that supports RBAC and ABAC

    2026
    –
    Cycles
    3
    Projects
    22
    Trend
    PythonJavaScriptGoReact+6

  • Elastic

    Data

    We are the creators of Elasticsearch, Kibana, Beats, and Logstash.

    2026
    –
    Cycles
    2
    Projects
    4
    Trend
    JavaReactNode.jsGo+1

  • 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

  • freifunk

    Operating systems

    Free and open wireless networks

    2026
    –
    Cycles
    9
    Projects
    74
    Trend
    CLuaOpenwrtOlsr+13

  • GCP Scanner

    Security

    Security scanning tool for Google Cloud

    2026
    –
    Cycles
    1
    Projects
    3
    Trend
    PythonGoogle Cloud

  • Gentoo Foundation

    Operating systems

    A flexible, source-based Linux distribution.

    2026
    –
    Cycles
    8
    Projects
    25
    Trend
    PythonCC++Perl+6

  • 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

  • Joplin

    End user applications

    Joplin is a note-taking app designed with strong security and privacy in mind. It features end-to-end encryption (E2EE), ensuring the notes remain protected during synchronization. Users can store notes locally or sync them via trusted services like Nextcloud, Dropbox, or self-hosted servers, retaining full data ownership.

    2026
    5
    Cycles
    5
    Projects
    22
    Trend
    ReactNode.jsReact NativeElectron+4

  • lowRISC

    Other

    Open to the core - collaborative engineering for open source silicon and tools

    2026
    –
    Cycles
    3
    Projects
    10
    Trend
    LinuxVerilogFPGAChisel+4

  • Metasploit

    Security

    The Metasploit Framework is both a penetration testing system and a development platform for creating security tools and exploits. The framework is used by network security professionals to perform penetration tests, system administrators to verify patch installations, product vendors to perform regression testing, and security researchers world-wide. The framework is written in the Ruby programming language and includes components written in C, many flavors of Assembly, Python, Powershell, PHP, and other languages.

    2026
    3
    Cycles
    7
    Projects
    15
    Trend
    CRubyAsmPython+2

  • Nmap Security Scanner

    Security

    Swiss Army knife of network discovery and security auditing

    2026
    –
    Cycles
    2
    Projects
    9
    Trend
    CPythonC++Lua

  • OW2

    Other

    The open source community for infrastructure software.

    2026
    –
    Cycles
    1
    Projects
    0
    Trend
    JavaPerlMiddlewareBpm+1

  • 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

  • P2PSP.org

    Media

    Shaping the future Internet TV

    2026
    –
    Cycles
    3
    Projects
    5
    Trend
    PythonAndroidC++iOS+5

  • Python Software Foundation

    End user applications

    Python is a programming language that lets you work more quickly and integrate your systems more effectively.

    2026
    13
    Cycles
    11
    Projects
    290
    Trend
    PythonMercurialJavaScriptSQLite+2

  • Qubes OS

    Operating systems

    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
    CPythonXenShell+2

  • Radare

    Security

    Radare2 - Reverse Engineering Framework and Toolset

    2026
    –
    Cycles
    4
    Projects
    15
    Trend
    CRustPythonNode.js+4

  • Rizin

    Security

    The Rizin project is a fork of the famous Radare2 project that started in 2006. Since then the codebase has been rewritten multiple times, modularized and extended to support many new features. The Rizin project aims to provide stability, focus on the most important features, and provide a user friendly interface. Along with Cutter - a Qt-based GUI and the RzGhidra decompiler it makes the effective tool for everyday reversing tasks.

    2026
    4
    Cycles
    6
    Projects
    14
    Trend
    CPythonC++Qt+1

  • Ruby

    Programming languages

    The Ruby organization collects mentors and students working on the Ruby language (MRI), the Ruby packaging system (Bundler, RubyGems, and RubyGems.org), and other Ruby projects. Any Ruby OSS project is eligible to be included in the Ruby GSOC organization.

    2026
    5
    Cycles
    8
    Projects
    43
    Trend
    RubyCJavaRuby On Rails+2

  • SCoRe Lab

    End user applications

    SCoRe Lab develops FOSS softwares for everyone!!!

    2026
    –
    Cycles
    8
    Projects
    149
    Trend
    PythonAndroidJavaGo+11

  • SPDX

    Other

    An open ISO standard for SBOMs

    2026
    –
    Cycles
    7
    Projects
    29
    Trend
    CPythonJavaGitHub+6

Contributor counts are accepted projects per cycle.

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Every organization since 2016