Open-Source Alternatives to Firebase / Managed BaaS
Based on our dataset, the self-hostable open-source alternatives to Firebase / Managed BaaS are PocketBase and Appwrite. The Firebase / Managed BaaS plan we benchmark is Pro + Multi-Project + Egress (~$45-$125/mo).
Data last updated . How we check.
Quick comparison
| Alternative | License | RAM in starter config | Needs Postgres / Redis | Migration |
|---|---|---|---|---|
| PocketBase | MIT | 128 MB | No / No | Very Easy |
| Appwrite | BSD-3-Clause | 2048 MB | No / Yes | Easy |
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
Docker image ghcr.io/muchobien/pocketbase:latest. GitHub: pocketbase/pocketbase (42.7k stars when our data was last updated). Website: https://pocketbase.io
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
Docker image appwrite/appwrite:1.6. GitHub: appwrite/appwrite (46.5k stars when our data was last updated). Website: https://appwrite.io
Switching from Firebase / Managed BaaS
- Pick an alternative above and open its comparison page for the cost breakdown.
- Generate a free starter
docker-compose.ymlin the stack builder. - Test it on a small server with a copy of your data before moving the team over.
- Check the migration notes in the table, and the official docs of the tool you pick.
More detail: Replace Firebase / Managed BaaS guide.
FAQ
What are the open-source alternatives to Firebase / Managed BaaS?
In the StackSwitcher dataset, the self-hostable open-source alternatives to Firebase / Managed BaaS are PocketBase, Appwrite.
Which Firebase / Managed BaaS plan does StackSwitcher compare against?
We benchmark Firebase / Managed BaaS Pro + Multi-Project + Egress (~$45-$125/mo). The main pain point we note: Charging $10-$25 per extra staging/preview project plus steep bandwidth and database compute add-ons.
How much RAM does PocketBase need when self-hosted?
Our starter Docker config budgets 128 MB of RAM for PocketBase. Real needs depend on your usage.
How much RAM does Appwrite need when self-hosted?
Our starter Docker config budgets 2048 MB of RAM for Appwrite and Redis. Real needs depend on your usage.
Config templates are MIT licensed and provided "AS IS", with no warranty of any kind and no liability. Prices and specs are informational estimates from our dataset, so check the vendor and project sites before you decide. See the Terms & No Warranty disclaimer.