1
Supabase
Open-source Postgres backend with auth, storage, and realtime.
Pros
Postgres-native
Open source
Watch out
Less mature than Firebase in some mobile SDKs
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Best Firebase Alternatives for App Developers
Firebase is a mature mobile and realtime platform, but teams often compare alternatives for SQL support, open-source workflows, vendor lock-in, or pricing flexibility.
2
Neon Postgres
Serverless Postgres with branching.
Pros
Serverless-friendly
Branching workflow
Watch out
Not a full Firebase replacement
3
Appwrite
Open-source backend platform with auth, databases, and storage.
Pros
Self-hostable
Multi-language SDKs
Watch out
Smaller ecosystem than Firebase
Frequently Asked Questions
What is the best Firebase alternative for SQL apps?
Supabase is a strong Firebase alternative if you want Postgres, open source, auth, storage, and realtime in one platform.
Can Firebase be self-hosted?
Firebase is not officially self-hostable, but open-source alternatives like Supabase and Appwrite can be self-hosted.
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