Open Source
Practice Platform
Level up your coding skills by contributing to real open source projects. Practice with curated challenges from actual GitHub issues.
Free • No credit card required
Top Open Source Projects
Practice with real issues from the most popular projects in the community
Supported Languages
Choose from a wide variety of programming languages
How it works
A structured approach to learning open source contribution
1
Choose a Challenge
Browse real GitHub issues from popular open source projects, filtered by difficulty and language.
2
Code & Submit
Work on the issue locally, then submit your solution via GitHub PR or code snippet.
3
Track Progress
Monitor your contributions, see your growth, and build your open source portfolio.