Firebase vs Mercure

Is Mercure a good alternative to Firebase? Here’s what you need to know.

Mercure

Free

Real-time API protocol built on Server-Sent Events. Open source.

Mercure is an open-source protocol and server for real-time communications. Built on Server-Sent Events (SSE) for maximum compatibility. Auto-discovery, authorization, and native browser support. Perfect for Symfony and API Platform.

Visit Mercure → View Full Listing

Why switch from Firebase?

Indie pricing — no enterprise markup or per-seat fees
Direct maker support — talk to the person who built it
Transparent & open — many indie tools are open-source
No vendor lock-in — own your data, export anytime

Other Firebase Alternatives

Firebase vs Supabase Firebase vs Countly Firebase vs SuperTokens Firebase vs Aptabase Firebase vs OneSignal

Building an alternative to Firebase?

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