Welcome to the future of open source learning

Master Open Source One Issue at a Time.

Practice real solved GitHub issues, learn from AI, and level up like LeetCode—but for Open Source.

Start PracticingLogin / Signup
50+
Open Source Repos
500+
Curated Issues
10+
Tech Stacks
100%
Free to Use
How It Works

Your Path to Mastery

A simple, effective approach to learning open source development

Step 1

Choose Your Challenge

Browse through curated, solved GitHub issues from popular repositories. Filter by difficulty and technology.

Step 2

Learn & Practice

Work through the issue with AI-powered hints and explanations. Understand the codebase and solution approach.

Step 3

Track Progress

Build your skills systematically. Track your progress and get personalized recommendations for next challenges.

Features

Powerful Features

Everything you need to master open source development

Practice Solved Issues
Learn from real-world GitHub issues with complete solutions and explanations.
AI-Powered Learning
Get personalized guidance and AI-generated insights for each problem.
Personalized Recommendations
Smart issue suggestions based on your skills and learning goals.
Master Large Repos
Navigate and understand complex open source projects with ease.
Join Today

Ready to Level Up?

Join thousands of developers learning open source through real, practical issues. Start your journey today.

Personalized Learning
Track Progress
Get Started FreeExplore Issues