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Open source alternatives to Firebase

Backend-as-a-service for apps. 5 open source projects replace it, led by Supabase with 111k GitHub stars. Licenses and stars are read from GitHub.

  1. #1

    Supabase

    ★ 111k

    Postgres database, auth, storage and realtime.

    Apache-2.0Last commit 2026-10-12View on GitHub ↗
  2. #2

    PocketBase

    ★ 61k

    Single-file backend with realtime database and auth.

    MITLast commit 2026-10-08View on GitHub ↗
  3. #3

    Appwrite

    ★ 58k

    Backend platform for web, mobile and Flutter apps.

    BSD-3-ClauseLast commit 2026-10-12View on GitHub ↗
  4. #4

    supertokens-core

    ★ 15k

    Open source alternative to Auth0 / Firebase Auth / AWS Cognito

    NOASSERTIONLast commit 2026-10-06View on GitHub ↗
  5. #5

    measure

    ★ 1.4k

    Measure helps mobile teams monitor and fix crashes, ANRs, bugs, and performance issues. The open source alternative to Firebase Crashlytics.

    Apache-2.0Last commit 2026-10-12View on GitHub ↗

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Part of the open source alternatives list. Dataset on GitHub.