Best Free Alternatives to Firebase (2026)
Tired of paywalls, subscription price hikes, or forced cloud accounts? Here are 4 verified free & open-source alternatives to Firebase in 2026 with generous free tiers or local self-hosting.
Updated for 2026: The leading free and open-source alternative to Firebase is Supabase: Open source Firebase alternative providing PostgreSQL, Auth, Instant APIs, Realtime subscriptions, and Storage.. DevShelf indexes 4 community-verified alternatives to Firebase with generous free tiers, local offline mode, or self-hosted deployment.
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The open-source Firebase alternative with Postgres, Authentication, and Realtime.
| Alternative Tool | Category | Pricing Model | Language / Stack | Details |
|---|---|---|---|---|
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Supabase
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Databases & BaaS | 500MB DB, 50k monthly active users, 1GB storage | Multi-platform | |
| Databases & BaaS | 100% Free & Open Source, single binary self-hostable | Multi-platform | ||
| Databases & BaaS | Free Cloud Tier: 2 projects, 75k monthly active users, 2GB storage | Multi-platform | ||
| BaaS & Databases | See official site for free access and limits | Go |
Supabase
⚡ Verified Free TierOpen source Firebase alternative providing PostgreSQL, Auth, Instant APIs, Realtime subscriptions, and Storage.
Open source backend in 1 file consisting of embedded SQLite database with real-time subscriptions, built-in auth, and admin dashboard.
Self-hosted backend-as-a-service platform providing developers with core APIs for authentication, databases, storage, and serverless functions.
Instant open-source backend in 1 binary file with embedded SQLite database, real-time subscriptions, and auth rules.
💬 Frequently Asked Questions about Firebase Alternatives
What is the best free alternative to Firebase in 2026? ▼
The leading free and open-source alternative to Firebase in 2026 is Supabase. Open source Firebase alternative providing PostgreSQL, Auth, Instant APIs, Realtime subscriptions, and Storage.
Are there open-source alternatives to Firebase? ▼
Yes, DevShelf indexes 4 verified free and open-source alternatives to Firebase in 2026, including Supabase, PocketBase, Appwrite.
Why switch from Firebase to an open-source tool in 2026? ▼
Switching to open-source alternatives to Firebase in 2026 eliminates recurring subscription costs, vendor lock-in, and account limits while allowing full self-hosting and data privacy.
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