Archive · June – September 2025
ECSoC Summer of Code 2025
Our most impactful cohort yet. 1,200+ developers contributed to real open-source projects across 12 weeks, merged 340+ pull requests, and collectively shipped features used by thousands of users.
Join 2026 Cohort2025 by the Numbers
1,200+
Participants
340+
PRs Merged
50+
Swag Winners
12 weeks
Program Duration
Top Projects of 2025
01
ECSoC Portal
The contributor dashboard and leaderboard — built entirely by cohort contributors.
87
PRs
24
Contributors
02
Open Source Guide
A beginner-friendly guide to open-source contribution — 40k+ reads.
54
PRs
18
Contributors
03
Community Bot
Discord automation bot for onboarding, XP tracking, and notifications.
43
PRs
12
Contributors
2025 Program Timeline
April 2025
Applications Open
Over 3,000 applications received in the first two weeks.
May 2025
Cohort Selection
1,200 contributors selected across Developer and Ambassador tracks.
June 2025
Program Kickoff
Onboarding sprint, project assignments, and first PR week.
June–Aug 2025
Contribution Period
12 weeks of active development, weekly leaderboard updates, and mentor sessions.
September 2025
Demo Day & Awards
Top contributors presented their work. Swag, cash prizes, and certificates distributed.
Summer of Code 2026 is open now
Don't miss the next cohort. Applications close soon.