52°North is an open source initiative in the field of geoinformatics. Core topics of our activities are for example sensor web, web-based geoprocessing and earth observation.
AboutCode.org is a community of open source developers who are trying to make open source easier to use by providing open source tools to discover, identify and track open source components (aka. Software Composition Analysis – SCA). This includes tools, data and standards for code origin, FOSS licenses and security vulnerabilities.
We are an Australian not-for-profit charity, founded in 2016, that serves as an umbrella organization for open-source projects. We believe the open-source philosophy is a resource-efficient approach to transfer knowledge, educate and innovate.
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.
CERN-HSF (High-Energy Physics Software Foundation) is the umbrella organization for high-energy physics-related projects in GSoC. The HEP Software Foundation (http://hepsoftwarefoundation.org/) facilitates the coordination of common international efforts in high-energy physics software and computing.
FOSSASIA is an organization developing Open Source software applications and Open Hardware together with a global community from its base in Asia. It is our goal to provide access to open technologies, science applications and knowledge that improve people's lives. We want to enable people to adapt and change technology according to their own ideas and needs and validate science and knowledge through an Open Access approach. FOSSASIA was established 2009 by Hong Phuc Dang and Mario Behling. We organize and participate in conferences, meetups and code camps. The annual FOSSASIA Summit is one of the top tech events in Asia. Other summits take place in Vietnam, Cambodia, Thailand and India. FOSSASIA also runs a number of coding programs such as Codeheat. Please join us and start contributing to our projects, participate as a coder, designer, hardware developer or event organizer.
Faust (Functional Audio Stream) is a functional programming language for sound synthesis and audio processing with a strong focus on the design of synthesizers, musical instruments, audio effects, etc. Faust targets high-performance signal processing applications and audio plug-ins for a variety of platforms and standards.
Machine learning and Artificial Intelligence techniques can be broadly applicable and transferable across many domains. The goals of HumanAI projects are to grow the open-source community in machine learning for the domains of the Arts, Social Sciences and Humanities in addressing various important societal challenges and introducing and transferring the knowledge and tools of machine learning across these disciplines.
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.
Computational thinking for all with free visual coding apps
The Catrobat project develops useful frameworks to create games, animations, or apps easily within a short time. This set of mobile creativity tools for smartphones is inspired by the well-known Scratch framework by the Lifelong Kindergarten Group at the MIT Media Lab. The motivation behind the project is that programming is an important cultural technique on the same level as mathematics and physics, from a practical as well as from a philosophical point of view. Our aim thus is to popularize the skills needed to program from an early age in a fun and engaging way that will facilitate the spread of its adoption among young people all over the world.
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.
Machine Learning for Science (ML4SCI) is an umbrella organization for machine learning-related projects in science. ML4SCI brings together researchers from universities and scientific laboratories with motivated students to join existing scientific collaborations and contribute to cutting edge science projects across a wide variety of disciplines. Students work on existing problems to develop new machine learning-based approaches and produce open source code that directly contributes to solving these scientific challenges.
MalariaGEN is a global network of global partners who share and integrate data relevant to inform malaria surveillance, our mission is to generate insights and tools that bridge the gaps for analysts in malaria endemic settings to use their data meaningfully to inform public health efforts. We build and optimise data resources and analytical tools to run directly in the cloud. Our flagship project is the Vector Observatory, which includes whole-genome sequence data for over 30,000 mosquitoes, integrating data from 70 partners across the globe from over 17 different mosquito species -- this is the largest resource on genetic variation data for any multicellular organism (other than humans!). Our goal is to enable analysts, scientists, students and public health practitioners to access these data without the need for any dedicated compute infrastructure, by optimising our resources to run within free compute environments (a big shout to Google Colab!) and by developing training resources that support partners to get confident with using cloud-native data and resources for their analysis.
Metaflow is a human-friendly Python library that makes it straightforward to develop, deploy, and operate various kinds of data-intensive applications, in particular those involving data science, ML, and AI. Metaflow was originally developed at Netflix to boost the productivity of data scientists who work on a wide variety of projects, from classical statistics to state-of-the-art deep learning.
MLLAM is a collaborative community dedicated to advancing machine learning applications in weather forecasting, specifically for Limited Area Modeling (LAM). The organization hosts several open-source key repositories, including neural-lam, which focuses on neural weather prediction using graph-based models. Members are from various research institutions and national weather services committed to improve weather forecasting at regional, high-resolution scale.
mofa-org is an open-source organization that builds and maintains the MoFA ecosystem — a modular AI agent framework that makes it easy to build, compose, and run complex AI applications & a collection of open-source tools and frameworks designed to:
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.
Open Healthcare Network (OHC), originally established as Coronasafe Network, is a pioneering open-source organization dedicated to enhancing healthcare delivery and management. At the core of OHC's innovation is its flagship Electronic Medical Record (EMR) system, recognized as the 50th Digital Public Good by the United Nations. This system transcends being merely a digital repository of patient records, evolving into a platform that supports advanced TeleICU capabilities.
OpenVINO is an open‑source toolkit designed to optimize and deploy deep learning models from cloud to edge. It accelerates inference for a wide range of use cases—including computer vision, generative AI, and agentic AI—supporting models from popular frameworks such as PyTorch, TensorFlow, ONNX, and more. With OpenVINO, you can convert and optimize models, then deploy them across diverse Intel hardware and environments, whether on-premises, at the edge, on AI PCs, or in the cloud.
preCICE is an open-source coupling library and ecosystem for general partitioned multi-physics and multi-scale simulations, including surface and volume coupling.
St. Jude Children's Research Hospital is a non-profit research hospital dedicated to advancing cures and means of prevention for children with catastrophic diseases. With respect to Google Summer of Code, we're interested in building modern, open-source infrastructure upon which large-scale scientific analyses can be done (typically focused on bioinformatics or genomics specifically).
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Contributor counts are accepted projects per cycle.