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Best Firebase alternatives (2026)

Stop paying Pay-as-you-go for Firebase. These 4 open-source alternatives are production-ready, self-hostable, and free to use.

💰 Switching from Firebase could save your team Pay-as-you-go per month
Calculate exact savings →
What Firebase does well
  • ✓ Real-time sync
  • ✓ Easy auth
  • ✓ Good free tier
Why teams switch away
  • ✗ Vendor lock-in (Google)
  • ✗ Costs spike unexpectedly
  • ✗ NoSQL only
  • ✗ Limited querying
Top alternatives · Ranked by BizOps Score
#1 93
Supabase
Open-source Firebase alternative — Postgres with auth, storage, and realtime.
Open Source ★ 71,000
#2 77
PocketBase
Open-source backend in 1 file — auth, database, files, and realtime.
Open Source ★ 39,000
#3 79
Appwrite
Secure open-source backend platform — Firebase alternative.
Open Source ★ 44,000
#4 80
Directus
Headless CMS and data platform for any SQL database.
Open Source ★ 27,000
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