head to head · open source
Supabase vs msw
Supabase has 114,446 GitHub stars, 15,770 forks, 1,128 open issues and last shipped yesterday. msw has 18,329 stars, 644 forks, 37 open issues and last shipped 17 days ago. Supabase leads on adoption by 524% (114,446 vs 18,329 stars). Supabase is written in TypeScript under Apache-2.0; msw is written in TypeScript under MIT. Supabase has attracted 14% as many forks as stars, msw 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 | msw | |
|---|---|---|
| GitHub stars | ★ 114K | ★ 18K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-10-17 |
| Forks | ⑂ 16K | ⑂ 644 |
| 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 msw if
- You want the msw feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and msw 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 msw
Mock Service Worker Industry standard API mocking for JavaScript. Join our Discord server Features Seamless . A dedicated layer of requests interception at your disposal. Keep your application's code and tests unaware of whether something is mocked or not. Deviation free . Request the same production resources and test the actual behavior of your app. Augment an existing API, or design it as you go when there is none. Familiar & Powerful . Use Express like routing syntax to intercept requests. Use parameters, wildcards, and regular expressions to match requests, and respond with necessary status codes, headers…
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Frequently asked questions
Is Supabase or msw more popular?
Supabase has 114,446 GitHub stars and msw has 18,329. Supabase has the larger community by that measure.
Are Supabase and msw free?
Both are open source. Supabase is licensed under Apache-2.0 and msw under MIT. Neither carries a licence fee.
What is the difference between Supabase and msw?
Supabase is written in TypeScript and msw 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 msw?
Choose Supabase if you want the larger community (114,446 stars) or its Apache-2.0 licence terms. Choose msw if its feature set, stack or MIT licence fits better. Both are self-hostable.