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Paid open-source and applied AI mentorships with European organizations.
Browse and filter organizations participating in European Summer of Code (ESoC). Select years to find active orgs, or use search to find specific ones.
A plain-language guide so you know what to expect before applying.
European Summer of Code (ESoC) matches contributors with open-source and applied AI projects, focusing on building strong ecosystems around open-source software in Europe. Under the guidance of EU-based mentors, you work on 3-month coding projects with paid stipends.
Organizations submit project idea lists in early spring.
Contributors register on esoc.dev and discuss ideas with project mentors.
You draft and submit technical proposals for the selected projects.
Accepted contributors spend 3 months coding with structured milestones.
Successful completion awards a stipend and a verified European OSS contribution certificate.
Open to students, developers, and beginners worldwide, with a focus on European open-source and applied AI projects.
Always confirm full rules on the official website before applying.
Register on the official esoc.dev platform during the application window.
Explore the list of open-source and applied AI projects in the project registry.
Connect with project mentors via the designated communication channels.
Draft and submit a technical project proposal before the deadline.
| Year | Accepted Contributors | Organizations | Projects |
|---|---|---|---|
| 2025 | 120 | 25 | 120 |
Use Save & Track on project cards to manage this program from your dashboard.