head to head · open source
Supabase vs PromptHub
Supabase has 110,952 GitHub stars, 15,455 forks, 1,128 open issues and last shipped today. PromptHub has 1,687 stars, 193 forks, 42 open issues and last shipped 3 days ago. Supabase leads on adoption by 6,477% (110,952 vs 1,687 stars). Supabase is written in TypeScript under Apache-2.0; PromptHub is written in TypeScript under AGPL-3.0. Supabase has attracted 14% as many forks as stars, PromptHub 11%. Supabase was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), so they are genuine substitutes rather than adjacent tools.
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 | PromptHub | |
|---|---|---|
| GitHub stars | ★ 111K | ★ 1.7K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-01 | 2026-09-28 |
| Forks | ⑂ 15K | ⑂ 193 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Supabase if
- You weight community size — 111K 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 PromptHub if
- You want the PromptHub feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and PromptHub 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 PromptHub
PromptHub is an open source, local first desktop workbench for managing prompts, SKILL.md files and agent assets, aimed at individual developers and small teams who work across several AI coding tools and want that material to stay on their own machines.
read the full PromptHub overview →
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Frequently asked questions
Is Supabase or PromptHub more popular?
Supabase has 110,952 GitHub stars and PromptHub has 1,687. Supabase has the larger community by that measure.
Are Supabase and PromptHub free?
Both are open source. Supabase is licensed under Apache-2.0 and PromptHub under AGPL-3.0. Neither carries a licence fee.
What is the difference between Supabase and PromptHub?
Supabase is written in TypeScript and PromptHub 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 PromptHub?
Choose Supabase if you want the larger community (110,952 stars) or its Apache-2.0 licence terms. Choose PromptHub if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.