head to head · open source
Supabase vs msw
Supabase has 110,097 GitHub stars, 14,262 forks, 1,128 open issues and last shipped yesterday. msw has 18,210 stars, 626 forks, 37 open issues and last shipped yesterday. Supabase leads on adoption by 505% (110,097 vs 18,210 stars). Supabase is written in TypeScript under Apache-2.0; msw is written in TypeScript under MIT. Supabase has attracted 13% as many forks as stars, msw 3%. 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 | ★ 110K | ★ 18K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 14K | ⑂ 626 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Supabase if
- You weight community size — 110K 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 is an open source, Apache 2.0 licensed Postgres development platform that bundles a dedicated Postgres database with authentication, auto generated APIs, realtime subscriptions, file storage, and edge functions for developers building web, mobile, and AI applications.
read the full Supabase overview →
About msw
Mock Service Worker (MSW) is an MIT licensed TypeScript library that intercepts network requests at the Service Worker level so JavaScript applications and tests can run against mocked APIs without any change to application code, and it is built for front end and full stack JavaScript developers who need consistent API mocking in the browser, in tests, and during local development.
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Frequently asked questions
Is Supabase or msw more popular?
Supabase has 110,097 GitHub stars and msw has 18,210. 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 (110,097 stars) or its Apache-2.0 licence terms. Choose msw if its feature set, stack or MIT licence fits better. Both are self-hostable.