head to head · open source
Supabase vs react-cosmos
Supabase has 114,495 GitHub stars, 15,775 forks, 1,128 open issues and last shipped today. react-cosmos has 8,694 stars, 383 forks, 5 open issues and last shipped 5 days ago. Supabase leads on adoption by 1,217% (114,495 vs 8,694 stars). Supabase is written in TypeScript under Apache-2.0; react-cosmos is written in TypeScript under MIT. Supabase has attracted 14% as many forks as stars, react-cosmos 4%. Supabase was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Supabase | react-cosmos | |
|---|---|---|
| GitHub stars | ★ 114K | ★ 8.7K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-04 | 2026-10-30 |
| Forks | ⑂ 16K | ⑂ 383 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Supabase if
- You weight community size — 114K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick react-cosmos if
- You want the react-cosmos feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and react-cosmos fits your workflow better
About Supabase
Supabase Supabase is the Postgres development platform. We're building the features of Firebase using enterprise grade open source tools. [x] Hosted Postgres Database. Docs [x] Authentication and Authorization. Docs [x] Auto generated APIs. [x] REST. Docs [x] GraphQL. Docs [x] Realtime subscriptions. Docs [x] Functions. [x] Database Functions. Docs [x] Edge Functions Docs [x] File Storage. Docs [x] AI + Vector/Embeddings Toolkit. Docs [x] Dashboard Watch "releases" of this repo to get notified of major updates. Documentation For full documentation, visit supabase.com/docs To see how to Contribute, visit Getting…
read the full Supabase overview →
About react-cosmos
React Cosmos Getting Started Choose one of the Getting Started guides to dive into React Cosmos. Check out the Next.js integration to get started with React Server Components. Visit reactcosmos.org/docs to view the full documentation. Community To chat with other community members you can join the React Cosmos Discord. You can also ask questions, voice ideas, and share your projects on GitHub Discussions. Our Code of Conduct applies to all React Cosmos community channels. Contributing Please see our CONTRIBUTING.md. Become a Sponsor to support the ongoing development of React Cosmos. Live Demo Visit…
read the full react-cosmos overview →
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Frequently asked questions
Is Supabase or react-cosmos more popular?
Supabase has 114,495 GitHub stars and react-cosmos has 8,694. Supabase has the larger community by that measure.
Are Supabase and react-cosmos free?
Both are open source. Supabase is licensed under Apache-2.0 and react-cosmos under MIT. Neither carries a licence fee.
What is the difference between Supabase and react-cosmos?
Supabase is written in TypeScript and react-cosmos in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Supabase or react-cosmos?
Choose Supabase if you want the larger community (114,495 stars) or its Apache-2.0 licence terms. Choose react-cosmos if its feature set, stack or MIT licence fits better. Both are self-hostable.