Databases, BaaS & No-Code
Top 2 Self-Hosted Open-Source Alternatives to Firebase / Managed BaaS (2026)
Firebase / Managed BaaS costs Pro + Multi-Project + Egress (~$45–$125/mo) ($45/mo or $540/year for 10 seats). Switch to one of the verified open-source Docker replacements below.
★ 42.7k Stars • MIT
128MB RAM / 0.25 vCPU
PocketBase
Open-source backend in 1 single file: embedded SQLite with real-time subscriptions, Auth, and S3 storage
- ✓Handles 10,000+ concurrent connections on a $4 VPS
- ✓Uses <60MB RAM idle
- ✓Built-in Admin UI, OAuth2 & JS/Go hooks
ghcr.io/muchobien/pocketbase:latest
TCO & Docker Compose →
★ 46.5k Stars • BSD-3-Clause
2048MB RAM / 2.0 vCPU
Appwrite
End-to-end open-source backend server for Web, Mobile, and Flutter developers (Auth, DB, Functions, Storage)
- ✓Drop-in Firebase replacement
- ✓Serverless functions in Node, Python, Dart, Go
- ✓Built-in granular permissions & SSR SDKs
appwrite/appwrite:1.6
TCO & Docker Compose →