closed
Google Summer of Code
Write real code for open-source orgs, mentored full-time over the summer.
$1,500 – $3,300
Applications close April
Platform › Programs
Open source programs
Mentored seasons with real stipends and a public record. Filter by where you are in the calendar, then open a program for its organizations, its projects and its windows.
Loading the participation record…
Programs
closed
upcoming
Outreachy
Paid remote internships in open source for people from under-represented groups.
$8,000 USD
Dec cohort pairing opens Nov
live
LFX Mentorship
Cloud & ecosystem mentored projects across Linux Foundation host projects.
$1,500 – $3,000
Term 3 running now · Sep – Nov
closed
Eclipse SoC
Summer contributions to Eclipse Foundation projects with structured mentoring.
€500 – €1,200
Runs May – August
live
MLH Fellowship
A remote, batch-based alternative to internships on real open-source teams.
Paid tracks
Fall batch in session
live
GSSoC'26
Three-month open-source contribution sprint, biggest women-led program in India.
Leaderboard prizes
Contributions Aug – Nov
upcoming
Season of KDE
Winter mentoring program for KDE - design, code, docs, and community work.
€300 – €1,000
Registrations open December
upcoming
Summer of Bitcoin
Eight mentored weeks building real Bitcoin and Lightning tech, with a stipend.
~$2,500 USD
Applications open December
upcoming
Nexus Spring of Code
A 45-day spring sprint where orgs hand you live repos and you ship the issues.
Prizes + certs
Registrations open on nsoc.in
live
Hacktoberfest
One month of pull requests, first-timer friendly, the on-ramp for most contributors.
Badge + tree
All of October · you are here
upcoming
24 Pull Requests
One pull request a day through December, given back to the projects you use.
No prize
Runs 1 - 24 December
closed
FOSSEE Summer Fellowship
IIT Bombay mentored fellowship on FLOSS tooling: Scilab, Python, Oxide and more.
Unpaid
2026 cycle completed 8 June
closed
Vercel Open Source Program
Platform credits and hosting for maintained projects - a grant for maintainers, not contributors.
$3,600 credits
Applications reopen next quarter
The participation record
Every program we track, one row each. Pick a number to open that slice of the archive; the organization count opens that program's organization explorer. Where an organizer publishes nothing we can read, the row shows a dash instead of a guess.
| Program | Orgs |
|---|---|
| Google Summer of Code | none |
| Outreachy | none |
| LFX Mentorship | none |
| Eclipse SoC | none |
| MLH Fellowship | none |
| GSSoC'26 | none |
| Season of KDE | none |
| Summer of Bitcoin | none |
| Nexus Spring of Code | none |
| Hacktoberfest | none |
| 24 Pull Requests | none |
| FOSSEE Summer Fellowship | none |
| Vercel Open Source Program | none |
Reading the archive…
Pick a season, then pick the issues
Programs decide the calendar; the work is still real repositories with open issues. The finder indexes tens of thousands of them, filterable down to one week of effort.