OpenSourceHub
2 open-source alternatives found

Best Open-Source Alternatives
to Firebase in 2026

Stop paying for Firebase. These free, open-source tools give you full data ownership, no vendor lock-in, and deploy for as little as $5/month on your own VPS.

Top pick
appwrite
57.7k ⭐ · BSD-3-Clause
View

Open Source vs Firebase: Full Comparison

Feature Open SourceFirebase
Free to use (forever)
Self-hosted / private data
Open source (auditable code)
No vendor lock-in
Docker / 1-click deploy
Unlimited users / events
Custom domain & branding
Managed updates & backups
Built-in CDN & scaling
Enterprise SLA & support

Deploy appwrite in Minutes

This tool ships with Docker support — the fastest way to get a production instance running.

  1. 1
    git clone https://github.com/appwrite/appwrite

    Clone the repository to your server

  2. 2
    cp .env.example .env && nano .env

    Configure environment variables

  3. 3
    docker-compose up -d

    Start all services in the background

  4. 4
    open http://localhost:3000

    Finish setup in the web UI

Best Value · Sponsored

Deploy appwrite on Vultr

Starting at $5/mo · $100 free credit for new users · One-click Docker deploys · SSD storage · 99.99% uptime SLA

All Open-Source Alternatives to Firebase

Sorted by GitHub stars — the most popular community-backed options first.

appwrite

Chat & Messaging
57.7k

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

Alt to FirebaseTypeScriptBSD-3-ClauseDocker
Oct 2026

illa-builder

CMS & Blogging
12.3k

Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.

Alt to FirebaseTypeScriptApache-2.0
Oct 2026