Assembly Line

Alternatives to AWS Amplify in 2026

2 commercial products, led by Firebase and Convex. 30 open-source projects you can run yourself, led by Supabase, Appwrite and Parse Server.

Open source

  1. 1
    Supabase supabase

    The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

    Framework or platform Production-ready You want Firebase-style speed of building but on standard Postgres, hosted or self-hosted.

    ★ 114k Apache-2.0 TypeScript Active, pushed today
  2. 2
    Appwrite appwrite

    The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more

    Framework or platform Production-ready You are building web or mobile apps and want a Firebase-style backend you can self-host.

    ★ 58k BSD-3-Clause TypeScript Active, pushed today
  3. 3
    Parse Server parse-community

    Parse Server for Node.js / Express

    Framework or platform Production-ready You want a mature, self-hosted app backend with SDKs for many platforms, or you are migrating an old Parse app.

    ★ 21k Apache-2.0 JavaScript Active, pushed today
  4. 4
    Nhost nhost

    The Open Source Firebase Alternative with GraphQL.

    Framework or platform Production-ready You want a Postgres-backed app backend with an auto-generated GraphQL API.

    ★ 9.4k MIT Go Active, pushed today
  5. 5
    pREST prest

    Instant REST and MCP APIs for PostgreSQL and MySQL, on existing or new databases. CRUD, custom SQL routes, auth and ACL without writing a backend. Low-code, ⚡ realtime, high-performance. Native MySQL support since v2.5

    Building block Usable You want an instant API over a database you already have without writing a backend, and Go-based single binary deployment suits you.

    ★ 4.6k MIT Go Active, pushed 3 days ago
  6. 6
    Butterbase butterbase-ai

    Open-source backend-as-a-service. Postgres, auth, storage, functions, AI gateway, MCP.

    Framework or platform Experimental You want a Supabase-like backend designed to be driven by AI coding agents and are fine with a new project.

    ★ 3k Apache-2.0 TypeScript Active, pushed today
  7. 7
    Laf labring

    Laf is a vibrant cloud development platform that provides essential tools like cloud functions, databases, and storage solutions. It enables developers to quickly unleash their creativity and bring innovative ideas to life with ease.

    Framework or platform Experimental You want a self-hosted serverless back end and are comfortable with Chinese-language documentation and community.

    ★ 7.5k Apache-2.0 TypeScript Slowing, pushed 3 months ago
  8. 8
    Daptin daptin

    Self-hosted application server for schema-driven APIs, identity, files, automation, integrations, realtime, metering, and protocols.

    Framework or platform Usable You want a self-hosted backend-as-a-service in one binary and prefer config over writing CRUD code.

    ★ 1.9k LGPL-3.0 Go Active, pushed today
  9. 9
    PocketHost pockethost

    Open source multitenant PocketBase server

    Complete system Usable You want to host many PocketBase backends yourself, or offer PocketBase hosting to others.

    ★ 1.4k MIT TypeScript Active, pushed 21 days ago
  10. 10
    Conduit ConduitPlatform

    Batteries-included backend that works with any stack.

    Framework or platform Usable You want a self-hosted backend made of modules you can switch on as needed for a web or mobile app.

    ★ 925 MIT TypeScript Active, pushed today
  11. 11
    Userbase smallbets

    Create secure and private web apps using only static JavaScript, HTML, and CSS.

    Building block Experimental You are building a small privacy-focused web app from static files and want encrypted per-user storage.

    ★ 2.3k MIT JavaScript Slowing, pushed 9 months ago
  12. 12
    Para Erudika

    Multitenant backend server for building web and mobile apps rapidly. The backend for busy developers. (self-hosted or hosted)

    Framework or platform Usable You work on the JVM and want a simple, generic object API backend for several apps.

    ★ 574 Apache-2.0 Java Active, pushed 5 days ago
  13. 13
    Butterbase Skills butterbase-ai

    Plugin for Butterbase.ai

    Integration Experimental You build on Butterbase and use Claude Code.

    ★ 535 MIT Active, pushed 2 days ago
  14. 14
    CloudBoost CloudBoost

    Realtime JavaScript Backend.

    Framework or platform Experimental Rarely today; mainly if you already run it.

    ★ 1.5k Apache-2.0 JavaScript Slowing, pushed 9 months ago
  15. 15
    Juno junobuild

    Open-Source SDK for building apps

    Framework or platform Experimental Not for new work; the maintainers say not to use it for anything serious.

    ★ 422 MIT TypeScript Active, pushed 2 days ago
  16. 16
    Sdk-for-flutter appwrite

    [READ-ONLY] Official Appwrite Flutter SDK 💙

    Building block Production-ready You build a Flutter app on an Appwrite backend.

    ★ 420 BSD-3-Clause Dart Active, pushed today
  17. 17
    Convex SaaS convex

    A production-ready Convex Stack for your next SaaS application with Convex Auth, Stripe, TanStack, Resend, Tailwindcss, and shadcn.

    Template or starter Usable You are starting a subscription SaaS and have chosen Convex as the backend.

    ★ 376 MIT TypeScript Active, pushed 5 days ago
  18. 18
    Tinbase tinbase

    Supabase-compatible backend in a single binary — real Postgres with RLS, no Docker. Works with supabase-js unchanged.

    Developer tool Experimental You develop against Supabase and want lighter local dev or test environments than the Docker stack.

    ★ 355 MIT TypeScript Active, pushed yesterday
  19. 19
    Sdk-for-web appwrite

    [READ-ONLY] Official Appwrite Web SDK 🧡

    Building block Production-ready You build a web front end on an Appwrite backend.

    ★ 335 BSD-3-Clause TypeScript Active, pushed 6 days ago
  20. 20
    KeyLeak Detector Amal-David

    Runtime leak detector for modern web apps - finds exposed API keys, validates BaaS misconfigurations (Supabase/Firebase RLS), and catches secrets in JS bundles. Chrome extension + CLI.

    Developer tool Experimental You ship web apps on Supabase or Firebase and want to check your own app for leaked keys and open row-level security before launch.

    ★ 274 MIT Python Active, pushed 4 days ago
  21. 21
    Sdk-for-python appwrite

    [READ-ONLY] Official Appwrite Python SDK 🐍

    Building block Production-ready Your backend or automation in Python needs to talk to an Appwrite project.

    ★ 265 BSD-3-Clause Python Active, pushed today
  22. 22
    Orienteer OrienteerBAP

    Business Application Platform - no-code/low-code platform to build business applications

    Framework or platform Experimental You are already invested in OrientDB and want a low-code business app builder on top.

    ★ 260 Apache-2.0 Java Active, pushed 35 days ago
  23. 23
    Sdk-for-node appwrite

    [READ-ONLY] Official Appwrite Node.js SDK 🟢

    Building block Production-ready Your Node.js server code or Appwrite functions need privileged access to an Appwrite project.

    ★ 256 BSD-3-Clause TypeScript Active, pushed 6 days ago
  24. 24
    Frostbase frostbase-dev

    The open-source Firebase for Cloudflare.

    Framework or platform Experimental You are already on Cloudflare and want a self-hosted app backend with strong per-tenant isolation.

    ★ 242 Apache-2.0 TypeScript Active, pushed 20 days ago
  25. 25
    FastSchema fastschema

    All-in-One Backend as a Service with Headless CMS Power

    Framework or platform Experimental You want a lightweight self-hosted backend with a headless CMS layer and are comfortable with Go.

    ★ 574 MIT Go Slowing, pushed 4 months ago
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    Rill Flow weibocom

    Rill Flow is a high-performance, scalable workflow orchestration engine for distributed workloads and LLMs

    Building block Usable You need a high-throughput DAG task orchestrator and are comfortable with a Java codebase with mainly Chinese support.

    ★ 410 Apache-2.0 Java Slowing, pushed 7 months ago
  27. 27
    Sdk-for-android appwrite

    [READ-ONLY] Official Appwrite Android SDK 💚 🤖

    Building block Production-ready You build a native Android app on an Appwrite backend.

    ★ 156 BSD-3-Clause Kotlin Active, pushed 6 days ago
  28. 28
    Sdk-for-php appwrite

    [READ-ONLY] Official Appwrite PHP SDK 🐘

    Building block Production-ready A PHP application needs to call an Appwrite project from the server side.

    ★ 154 BSD-3-Clause PHP Active, pushed 6 days ago
  29. 29
    Space Cloud spacecloud-io

    Open source Firebase + Heroku to develop, scale and secure serverless apps on Kubernetes

    Framework or platform Experimental Only to study its design; the maintainers themselves point users to Hasura or WunderGraph instead.

    ★ 4k Apache-2.0 Go Quiet, pushed 2 years ago
  30. 30
    Parse-Swift parse-community

    The Swift SDK for Parse Platform (iOS, macOS, watchOS, tvOS, Linux, Android, Windows)

    Building block Usable You write Swift apps against a Parse Server backend and want a modern protocol-oriented API.

    ★ 309 MIT Swift Slowing, pushed 7 months ago

Commercial

  1. 1
    Firebase Google

    Discover Firebase, Google’s mobile and web app development platform that helps developers build apps and games that users will love.

    Framework or platform Production-ready You build a mobile or web app and want auth, data and push notifications without running a server.

    1.2k readers a month Since 2010 Commercial
  2. 2
    Convex Convex

    All gas, no breakages. Convex is the reactive backend platform that keeps up with you and your agents.

    Framework or platform Usable You build a realtime TypeScript app and want database, server functions and live sync in one place.

    Commercial

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