NexusSpring ofCode.
Open source, the way it was meant to be.
Real projects.
Real projects.
Project admins bring their actual codebases — not dummy repos or toy problems. Every issue you close ships to real users.
Structured guidance.
Structured guidance.
Admins mentor contributors through the review process. You don't just get a comment — you get context, feedback, and a reason.
Earned recognition.
Earned recognition.
Points for every merged PR. A public leaderboard. A profile that shows exactly what you built and where it landed.
A real community.
A real community.
45 days of builders, maintainers, and contributors working in the same direction. The connections outlast the program.
You write code.
- Pick a track that matches your stack
- Browse curated open issues from real projects
- Submit PRs, get reviewed, earn points per merge
- Climb the leaderboard, claim prizes
You bring the project.
- Submit your open source project for the program
- Curate issues fit for contributors of all levels
- Review PRs and mentor contributors through your codebase
- Get meaningful contributions — and give someone their first real merge
“No toy projects. No filler tasks. Just 45 days of work that lands in production — and a community that levels up together.”
Coding period starting soon...
Here's how you start.
Register
Register
Create your profile. Pick a track that matches your skills and ambition.
Explore
Explore
Browse curated open issues across repos waiting for contributors.
Contribute
Contribute
Submit PRs. Get reviewed. Earn points for every merge that lands.
Win
Win
Top builders claim prizes, swag, and direct job referrals.
Partners & Sponsors
Backed by builders.
Organizations and communities that believe in open source and invest in the people who build it.

Unstop
A leading platform for hosting and managing online competitions, hackathons, and events. Fostering innovation and collaboration across various domains.

Arkham Experience
An immersive media-tech company working at the intersection of Gen AI and Agentic AI, Unreal Engine, Holographics, Spatial and 3D, AR/XR, BCI, HCI, Web 3.0 and distributed networks.

Extension Shield
Security-first browser extension management. Protecting users and organizations from malicious extensions and supply chain attacks.
More coming
Expanding our network of partners and sponsors.