Cloud storage

Firebase Blaze alternatives

1 open-source project that already does this job. Free to use - not free to run, which is what the numbers on the right are for.

The full assessment →

The projects

appwrite/appwrite56,795BSD-3-ClauseSelf-hosted backend platform providing auth, databases, storage, functions, hosting, and realtime features for apps.Open on GitHub

What you give up either way

Managed global scale and operational SLA handling
Deep Google Cloud integrations (BigQuery, Gemini, Analytics) out of the box
Built-in Firebase security rules and Console UX
Free unified quotas and streamlined console experience
Managed AI integrations (Gemini in Firebase) and agent tooling

An open-source project doing the core job proves a replacement is possible. It does not prove it matches Firebase Blaze, and it does not prove anyone has run it for a month. How we decide.