Now building — joining opens early access
Don’t build from scratch.
Find the code that’s already close.
Describe what you want to build. Discover open-source projects that are already halfway there — then see exactly what it would take to make one yours.
No spam. Just early access.
Someone may have already built 60% of what you're trying to build.
The hardest part isn’t always writing the code. Sometimes it’s finding the right foundation.
Chumma helps you discover projects that closely match your idea before you start building from zero.
How it works
From idea to starting point.
Describe
Describe your idea in plain language, or speak it. No frameworks, no jargon required.
Your idea
Discover
Chumma searches GitHub for open-source projects that closely align with what you described.
Understand
See how the repository is put together before you touch a single file.
File tree
AI explanation
This repository uses a FastAPI backend with a Next.js frontend.
The main request flow starts at services/, which coordinates auth and database access.
Adapt
Say what you want to change. Chumma traces it through the codebase to the exact files that matter.
See it in action
From a sentence to a shortlist.
Your idea
“Build an AI document assistant for legal teams”
Don’t just understand the repository.
Know what you’d need to change.
Tell Chumma what you want to add. It traces the requirement through the codebase and identifies the files that matter.
Requirement
Add Google OAuth
project/
auth/service.py
Add OAuth authentication flow.
auth/providers.py
Add Google provider.
models/user.py
Store provider identity.
Login.tsx
Add Google login button.
We’re not trying to write your code.
We’re helping you find the right code to start with.
Discover
Find open-source projects aligned with your idea.
Understand
Explore their architecture, dependencies and important files.
Adapt
See what needs to change before you start building.
Built for people who build.
Founders
Find a stronger starting point before spending months rebuilding infrastructure.
Developers
Start from proven open-source foundations instead of empty repositories.
AI Builders
Explore, understand and adapt open-source AI projects faster.
Your next project might already exist.
Get early access when Chumma launches.
No spam. Just early access.
Be among the first to try it.