Backendless is a Backend-as-a-Service platform providing hosted APIs and services for web and mobile applications, including database and file storage, user management and authentication, real-time messaging, push notifications, hosting, serverless functions, and API management.
Supabase is an open source Postgres development platform providing authentication, auto-generated REST/GraphQL APIs, realtime subscriptions, edge functions, file storage, and vector embeddings.
107.1k stars13.3k forksApache-2.0last commit Actively maintained
Open-source Go backend providing embedded SQLite, realtime (SSE) subscriptions, auth (JWT/OAuth2), file storage, admin UI and REST-style APIs for web and mobile apps.
60.3k stars3.6k forksMITlast commit Actively maintained
Appwrite is an open-source backend-as-a-service for building web and mobile apps with authentication, databases, storage, functions, realtime APIs, and messaging.
56.7k stars5.6k forksBSD-3-Clauselast commit Actively maintained
Directus turns any SQL database into a headless CMS with an admin app, role-based access control, and instant REST and GraphQL APIs for custom applications.
36.9k stars4.9k forkslast commit Actively maintained
Hasura is an open-source GraphQL engine that instantly exposes realtime, secure GraphQL APIs over databases and other data sources with fine-grained access control.
32.1k stars3k forksApache-2.0last commit Actively maintained
TrailBase is a fast, single-executable Firebase alternative with type-safe REST and realtime APIs, built-in auth, admin UI, WebAssembly extensibility, and SQLite storage.
5.4k stars183 forksOSL-3.0last commit Actively maintained
bknd is a lightweight Firebase/Supabase alternative that provides a modular backend with REST API, admin UI, auth, media, and workflows, deployable across many JS runtimes.
3.7k stars144 forksApache-2.0last commit Actively maintained
Para is an open-source, Java-based multitenant backend framework providing a RESTful JSON API, full-text search, distributed caching, and flexible authentication for web, mobile, IoT and prototype apps.
574 stars156 forksApache-2.0last commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 8 of 8 shipped a commit in the last six months. Licences in this list: Apache-2.0, MIT, BSD-3-Clause, OSL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Backend-as-a-Service (BaaS).
