5 Best Open Source Fauna Alternatives
A curated collection of the 5 best open source and self-hosted alternatives to Fauna in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Fauna in 2026? The top open-source alternative is Supabase — Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search..
Other highly rated open-source Fauna alternatives include TiDB, Convex and Instant.
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
Distributed SQL database combining OLTP and OLAP capabilities, offering horizontal scalability, high availability, and real-time analytics.
Distributed SQL database combining OLTP and OLAP capabilities, offering horizontal scalability, high availability, and real-time analytics.
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
About Fauna
The truly serverless database that combines the power of a relational database with the flexibility of JSON documents.