Open Source Firebase Alternatives

The best open source alternative to Firebase is Supabase. If that doesn't suit you, our users have ranked more than 100 alternatives to Firebase and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Firebase are TrailBase, PocketBase, Appwrite and bknd.io.

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Alternatives list

  1. Supabase icon

    Supabase

     35 likes

    The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.

    111 Supabase alternatives

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    Supabase screenshot 1
     
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    2
    Supabase vs Firebase Comments
    KartikSoneji
    Positive
    5

    It is specifically marketed as a Firebase alternative.

    William Jackson
    Positive
    0

    Supabase is very competitively priced, and seems more bleeding-edge than Firebase.

    Review by a new / low-activity user.
    • Supabase is Freemium and Open SourceFirebase is Freemium and Proprietary
  2. TrailBase icon

    TrailBase

     11 likes

    TrailBase offers a blazingly fast, open-source application server featuring type-safe APIs and real-time data. Built on Rust, with JS/ES6/TS runtime, it provides built-in authentication, admin UI, and low-latency responses. Supports mobile, web, and desktop, eliminating the need for dedicated caches.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Docker
    TrailBase screenshot 1
     
  5. Appwrite icon

    Appwrite

     19 likes

    Secure open-source backend server for web and mobile developers. Appwrite provides developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.

    33 Appwrite alternatives

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • Docker
    Appwrite screenshot 1
     
  6. bknd.io icon

    bknd.io

     7 likes

    Modular visual backend offering integrated database, authentication, media, and workflow management, supports SQLite, Postgres, cloud DBs, AWS S3, flexible deployment across major runtimes, open source, built for universal compatibility and direct control.

    19 bknd.io alternatives

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    bknd.io screenshot 1
     
  7. Nhost icon

    Nhost

     6 likes

    Nhost is an open source Firebase alternative with GraphQL, built with the following things in mind:

    9 Nhost alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    Nhost screenshot 1
     
  9. RxDB icon

    RxDB

     30 likes

    RxDB (short for Reactive Database) is a NoSQL-database for JavaScript Applications like Websites, hybrid Apps, Electron-Apps and NodeJs. Reactive means that you can not only query the current state, but subscribe to all state-changes like the result of a query or even a single...

    Cost / License

    Platforms

    • Windows
    • Online
    • Android
    • Self-Hosted
    RxDB screenshot 1
     
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    3
    RxDB vs Firebase Comments
    Pale Greenwood
    Positive
    2

    like firebase it is a realtime database but only open source

    liTAPHAL
    Positive
    1

    is also a realtime database. Support server-client-sync

    Logan
    Positive
    1

    realtime, client side, javascript

    • RxDB is Freemium and Open SourceFirebase is Freemium and Proprietary
  10. SignalDB icon

    SignalDB

     5 likes

    SignalDB is a client-side database with a MongoDB-like interface and TypeScript support. It allows easy data management, reactivity and persistence on the client side, with plans for future replication capabilities.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • React
    SignalDB screenshot 1
     
  11. FerretDB icon

    FerretDB

     6 likes

    FerretDB (formerly MangoDB) is an open-source proxy, which converts MongoDB wire protocol queries to SQL, and uses PostgreSQL as a database engine.

    101 FerretDB alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
     
  12. remoteStorage icon

    remoteStorage

     27 likes

    An open protocol for per-user storage on the Web.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Self-Hosted
    remoteStorage screenshot 1
     
  13. Realm icon

    Realm

     7 likes

    Realm enables any development team, no matter the size, to include difficult-to-build features like two-way data sync and realtime collaboration. Devote more time to what makes your app truly unique and less time to maintaining services.

    18 Realm alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Android
    • iPhone
    • iPad
     
  14. InstantDB icon

    InstantDB

     3 likes

    Instant is for building real-time and offline-enabled applications. We make it easy to build collaborative products like Notion or Figma.

    Cost / License

    Platforms

    • Online
    • Software as a Service (SaaS)
     
12 of 45 Firebase alternatives