522 organizations since 2016

• 

  Apache DataFusion

  Data

  Foundational library for DBs and compute engines

  2026

  –

  Cycles

  1

  Projects

  2

  Trend

  PythonRustSQLArrow
• 

  BRL-CAD

  Media

  <p>This is the place to be if you love computer graphics. We do 2D/3D modeling, 3D printing, solid geometry, design, and more. Depending on the project, you have the opportunity to work with C/C++, Python, OpenGL, OpenCL, Qt, Javascript, and more... Help us develop open source computer-aided technologies (CAx)!</p> <br> <p>We operates as an umbrella organization with several CAx communities including:</p> <br> <ul> <li> - OpenSCAD is a solid 3D modeler with a rich syntax for programmable geometry. <li> - LibreCAD is a 2D modeling system specializing in blueprint-style drawings and draftings. <li> - IfcOpenShell is a library for working with standard IFC building model data. <li> - BRL-CAD is a solid modeling suite with conversion and advanced solid ray tracing features. <li> - Manifold is a solid geometry mesh processing library. </ul> <br> <p>We want to select at least one student for each, so feel free to ask us where to start.</p> <br> <a href="https://opencax.github.io"><img src="https://summerofcode.withgoogle.com/media/org/brl-cad/4ec07aqdfrvygfed-360.png"></a>

  2026

  8

  Cycles

  11

  Projects

  81

  Trend

  PythonCC++OpenGL+7
• 

  caMicroscope

  Science and medicine

  Toolkit for cancer imaging research

  2026

  –

  Cycles

  4

  Projects

  13

  Trend

  PythonJavaScriptJavaTensorFlow+4
• 

  cBioPortal for Cancer Genomics

  Science and medicine

  The cBioPortal for Cancer Genomics is a resource designed to provide broad community access to cancer genomic data. It provides a unique user­-friendly and "biology­-centric computational user interface", with the goal of making genomic data more easily accessible to translational scientists, biologists, and clinicians. The interface was explicitly built and continues to evolve with careful usability studies involving multiple biological and clinical users, and an active and engaged user base.

  2026

  5

  Cycles

  8

  Projects

  43

  Trend

  JavaScriptJavaWebHTML+8
• 

  Center for Research in Open Source Software (CROSS)

  Science and medicine

  Amplifying Research Imapct through Open Source

  2026

  –

  Cycles

  4

  Projects

  20

  Trend

  PythonJavaScriptC++Hadoop+8
• 

  CHAOSS

  Data

  Community Health Analytics Open Source Software

  2026

  –

  Cycles

  6

  Projects

  29

  Trend

  JavaScriptPython 3PythonMySQL+12
• 

  Cuneiform Digital Library Initiative (CDLI)

  Science and medicine

  The Cuneiform Digital Library Initiative (CDLI) is a global collaboration of Assyriologists, museum curators, and historians working together to make the world’s earliest written records accessible online. CDLI focuses on cuneiform inscriptions dating back to the very beginning of writing around 3350 BC. Today, more than 500,000 such artifacts are held in museums and private collections worldwide, and CDLI has already digitally catalogued over 350,000 of them, helping researchers and the public explore humanity’s oldest written heritage.

  2026

  4

  Cycles

  6

  Projects

  34

  Trend

  PythonMariaDBRDFPHP+9
• 

  Earth Science Information Partners

  Science and medicine

  Supporting community development of visionary Earth science data technology.

  2026

  –

  Cycles

  2

  Projects

  4

  Trend

  PythonJavaScriptKubernetesDask+4
• 

  Elastic

  Data

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

  2026

  –

  Cycles

  2

  Projects

  4

  Trend

  JavaReactNode.jsGo+1
• 

  Genes, Genomes and Variation

  Science and medicine

  Authoritative databases of genome sequences and their function

  2026

  –

  Cycles

  4

  Projects

  12

  Trend

  MySQLJavaScriptPerlPython+1
• 

  INCF

  Science and medicine

  The International Neuroinformatics Coordinating Facility (INCF; www.incf.org) is an international organization launched in 2005, following a proposal from the Global Science Forum of the OECD.

  2026

  23

  Cycles

  11

  Projects

  234

  Trend

  PythonJavaScriptJavaC+++6
• 

  Liquid Galaxy project

  Data

  Liquid Galaxy is a remarkable panoramic system that is tremendously compelling. It started off as a Google 20% project to run Google Earth across a small cluster of PC's and it has grown from there! Liquid Galaxy hardware consists of one or more computers driving multiple displays. Liquid Galaxy applications have been developed using a master/slave architecture. The view orientation of each slave display is configured in reference to the view of the master display. Navigation on the system is done from the master instance and the location on the master is broadcast to the slaves over UDP. The slave instances, knowing their own locations in reference to the master, then change their views accordingly. The Liquid Galaxy Project, while making use of Google Earth software, does not develop the Google Earth code-base itself. Google Earth is not open-source software, although it is free (as in beer). Instead, the Liquid Galaxy Project works on extending the Liquid Galaxy system with open-source software both improving its administration and enabling open-source applications, so that content of various types can be displayed in the immersive panoramic environment. Artificial Intelligence focus: 2026 is the year when AI is going to change the coding industry, and GSoC and the open-source projects on it, have to jump on. At the Liquid Galaxy community, we’ve been using AI for years to obtain data to be shown on Google Earth for our projects, using many models and technologies. This 2026, all the projects will have an Artificial Intelligence voice, and most of them will use of diferent AI models to handle queries and arrange data, starting from Google's Gemini and Gemma.

  2026

  11

  Cycles

  10

  Projects

  86

  Trend

  JavaScriptROSGISCesium+14
• 

  MariaDB

  Data

  MariaDB Foundation is the non-profit organization behind MariaDB Server, the fastest growing open source databases. MariaDB Foundation's mission is to ensure the continuity of the MariaDB Server code as well as foster and facilitated collaboration within the MariaDB ecosystem. As part of GSoC, MariaDB Foundation seeks to bring more developers into the MariaDB Server (and related projects) code base.

  2026

  8

  Cycles

  11

  Projects

  47

  Trend

  CMySQLMariaDBPerl+6
• 

  Mathesar

  Data

  Webapp providing a UX-first interface to databases

  2026

  –

  Cycles

  2

  Projects

  5

  Trend

  PythonPostgreSQLJavaScriptDjango+1
• 

  MetaBrainz Foundation Inc

  Data

  The MetaBrainz Foundation is a non-profit that believes in free, open access to data. It has been set up to build community maintained databases and make them available in the public domain or under Creative Commons licenses.

  2026

  7

  Cycles

  11

  Projects

  67

  Trend

  PythonPostgreSQLJavaScriptPerl+7
• 

  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
• 

  NumFOCUS

  Science and medicine

  NumFOCUS supports and promotes world-class, innovative, open source scientific software. Most individual projects, even the wildly successful ones, find the overhead of a non-profit to be too large for their community to bear. NumFOCUS provides a critical service as an umbrella organization for this projects.

  2026

  27

  Cycles

  11

  Projects

  304

  Trend

  PythonJavaScriptRJulia+2
• 

  Open Genome Informatics

  Science and medicine

  The Open Genome Informatics group represents an umbrella organization consisting of several open source and open access genomics and bioinformatics projects worldwide. Our goals are to develop and maintain a collection of sustainable software tools for managing, analyzing, visualizing, storing, and disseminating genomic data.

  2026

  3

  Cycles

  7

  Projects

  31

  Trend

  PythonJavaNode.jsGwt+8
• 

  Open Science Initiative for Perfusion Imaging

  Science and medicine

  Perfusion Magnetic Resonance Imaging (MRI) is a vital medical imaging technique that assesses blood flow in tissues and thus contributes crucial information for diagnosing conditions such as stroke, tumors, and neurological disorders. Unlike the standard MRI methods that are daily used in hospitals, raw perfusion MRI data require further processing and quantification. This requires dedicated software tools. However, the lack of standardization and the availability of standardized and tested analysis code makes perfusion MRI less accessible and hinders its widespread use. The ISMRM Open Science Initiative for Perfusion Imaging (OSIPI) aims to address this gap and create resources for best practices in perfusion MRI including software and data inventories, code repositories, challenges, and educational material.

  2026

  5

  Cycles

  3

  Projects

  14

  Trend

  PythonGitHub
• 

  OpenRefine

  Data

  A power tool for working with messy data

  2026

  –

  Cycles

  2

  Projects

  3

  Trend

  JavaScriptJava
• 

  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
• 

  OSGeo (Open Source Geospatial Foundation)

  End user applications

  The Open Source Geospatial Foundation (OSGeo) is a not-for-profit organization whose mission is to foster global adoption of open geospatial technology by being an inclusive software foundation devoted to an open philosophy and participatory community-driven development.<br/><br/>

  2026

  6

  Cycles

  11

  Projects

  107

  Trend

  CPythonOgc StandardsC+++6
• 

  Polypheny

  Data

  The Most Versatile Data Management Platform

  2026

  –

  Cycles

  3

  Projects

  9

  Trend

  JavaScriptJavaSQLAngular
• 

  Qdrant

  Data

  Vector Search Database for the new AI generation.

  2026

  –

  Cycles

  1

  Projects

  2

  Trend

  PythonJavaScriptRust

Contributor counts are accepted projects per cycle.