Google Summer of Code 2025: Call for project ideas and mentors

The OpenStreetMap GSOC administration committee – @SimonPoole, @lonvia and myself – intend to submit an organisation application to Google as we have done in previous years.

At this point in time we a looking for project ideas and mentors from OpenStreetMap’s open source software ecosystem. If you have suitable projects and/or are willing to mentor a contributor, please add to the 2025 Project ideas wiki page.

If you are unsure about how to proceed with suggesting a project or mentoring, please feel free to ask us at gsoc-orga@openstreetmap.org


If you’re not familiar with it, GSoC is a program that offers students and new open source developers stipends to write code for various open source software projects. To get an idea of the kinds of projects we’ve accepted in the past, you can take a look at the OSM wiki – e.g. the lists of accepted projects in 2022, 2023 and 2024.

For the avoidance of doubt: Contributor applications are not open yet. Have a look at the official timeline for next steps. If OSM is accepted as a mentor organization, applicants will be able to either pick a project from the ideas list or submit a project that isn’t on the list. However, a project can only be accepted if members of the OSM developer community volunteer to mentor it.

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So far, we have 5 project ideas lined up. Thanks to everyone who has already volunteered as a mentor! We would like to offer a larger selection of project ideas, though, and we always welcome new mentors. So please continue adding to the project ideas page.

Ideally, we want to see project ideas in time for the org application deadline on February 11. While it will be possible to add ideas after that date, Google is taking the quality of the project ideas page into consideration when selecting mentor organizations.

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