#1 in Databases Free tier From $25/mo (Pro)
Supabase
The open source Firebase alternative.
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About Supabase
Postgres database with realtime subscriptions, auth, storage, and edge functions. Best DX for building a backend quickly without a vendor lock-in.
Features
Database Postgres (500MB free)
Auth MAU 50k (free)
Storage 1GB (free)
Realtime Yes (2M messages/mo free)
Edge Functions Yes (500k invocations free)
Row Level Security Yes
Backups 7 days (free)
Open Source Yes (self-hostable)
Free tier limits
500MB database, 1GB storage, 2GB bandwidth, 50k MAU auth, 5GB egress