A drop-in backend replacement for Firebase built on Express.js and PostgreSQL. It leverages BetterAuth for authentication and JSONB for document storage to eliminate vendor lock-in.
Tech Stack
JavaScriptBackend & Auth
Why postbase?
• Uses standard PostgreSQL
• Localhost support
• No vendor lock-in
Limitations
• Early stage maturity
• Smaller ecosystem than Supabase
• Self-management required
2/15/2026
Last Update
1
Forks
0
Issues
MIT
License
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