Developer tools · Updated October 2026
Firebase is Google's backend service for databases, auth, storage, and hosting. If you would rather own your tools, here are 5 open source alternatives to Firebase, ranked by GitHub stars. Each one is free to use under its license, and you can read, change, and often self-host the code.
The most popular is Supabase with 112.7k stars, and the most recently updated is Appwrite, with a commit on Oct 21, 2026.
| Project | Stars | License | Language | Last commit |
|---|---|---|---|---|
 Supabase | 112.7k | Apache-2.0 | TypeScript | Oct 21, 2026 |
 PocketBase | 61.5k | MIT | Go | Oct 14, 2026 |
 Appwrite | 57.7k | BSD-3-Clause | TypeScript | Oct 21, 2026 |
 Parse Server | 21.4k | Apache-2.0 | JavaScript | Oct 20, 2026 |
 Nhost | 9.4k | MIT | TypeScript | Oct 21, 2026 |
by supabase
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
by pocketbase
Open Source realtime backend in 1 file
by appwrite
The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more
by parse-community
Parse Server for Node.js / Express
by nhost
The Open Source Firebase Alternative with GraphQL.
By GitHub stars, Supabase is the most popular open source alternative to Firebase right now, with 112.7k stars, followed by PocketBase and Appwrite. The best fit depends on your setup, so compare their licenses, languages, and recent activity in the table above.
Yes. All 5 projects on this page are open source, so the software itself is free to use, study, and change. Some of them also sell a hosted version or paid support.
Appwrite (last commit Oct 21, 2026), Supabase (last commit Oct 21, 2026), and Nhost (last commit Oct 21, 2026) have the most recent commits. Licenses on this list include Apache-2.0, MIT, and BSD-3-Clause.
