Appwrite

Supabase

Open-source backend: Postgres, auth, storage, realtime and edge functions.

9.2Development·Backend

Firebase

Google's app platform for auth, databases, hosting and analytics.

8.6Development·Backend

GitHub

Git hosting, pull requests, Actions and the default home for open source.

9.4Development·Git

Build Your Own X

Guides for recreating databases, browsers, Git and other systems from scratch.

Development·Learning

PocketBase

Open-source realtime backend in one file — database, auth, storage, admin UI.

8.8Development·Backend

MinIO

High-performance S3-compatible object storage, open source.

8.8Development·Backend

Strapi

Leading open-source headless CMS. 100% JavaScript/TypeScript.

8.4Development·Backend

Convex

Reactive backend with typesafe queries, scheduled jobs and a hosted database.

8.7Development·Backend