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 loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Firebase are PocketBase, TrailBase, Appwrite and bknd.io.

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Alternatives list

  1. Supabase icon

    Supabase

     46 likes

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

    122 Supabase alternatives

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • US flagUnited States
    Supabase screenshot 1
    Good alternative?
     
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  2. PocketBase icon

    PocketBase

     24 likes

    Open Source realtime backend in 1 file.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • Cloudron
    • BG flagBulgaria
    • European Union flagEU
    Records listing
    Good alternative?
     
  4. TrailBase icon

    TrailBase

     12 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
    • US flagUnited States
    TrailBase screenshot 1
    Good alternative?
     
  5. Appwrite icon

    Appwrite

     20 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.

    39 Appwrite alternatives

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • Docker
    • IL flagIsrael
    Appwrite screenshot 1
    Good alternative?
     
  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.

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • CH flagSwitzerland
    bknd.io screenshot 1
    Good alternative?
     
  8. Nhost icon

    Nhost

     6 likes

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

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • US flagUnited States
    Nhost screenshot 1
    Good alternative?
     
  9. Neon Postgres icon

    Neon Postgres

     5 likes

    The fully managed serverless Postgres with a generous free tier. We separate storage and compute to offer autoscaling, branching, and bottomless storage.

    Cost / License

    Platforms

    • Software as a Service (SaaS)
    • Self-Hosted
    Good alternative?
     
  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
    • DE flagGermany
    • European Union flagEU
    SignalDB screenshot 1
    Good alternative?
     
  11. RxDB icon

    RxDB

     31 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
    Good alternative?
     
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  12. 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.

    22 Realm alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Android
    • iPhone
    • iPad
    Good alternative?
     
  13. 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.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    Good alternative?
     
  14. Nakama icon

    Nakama

     10 likes

    Nakama is an open-source distributed social and realtime server for games and apps. It has a large set of services for users, storage, and realtime communication; as well as specialized APIs like realtime multiplayer, groups/guilds, and chat.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • Unity
    • US flagUnited States
    Nakama screenshot 1
    Good alternative?
     
12 of 51 Firebase alternatives