Fauna alternatives in Databases & Data Infrastructure

Fauna positioned itself as a 'data API for modern applications,' uniquely combining document model flexibility with relational querying power and strong ACID consistency—all delivered as a fully serverless, zero-ops cloud API. It targeted the client-serverless architecture wave, differentiating from document DBs like MongoDB (which lacked global strong consistency), from relational serverless offerings (which often required provisioning), and from distributed SQL databases (which lacked a pure API-first, no-infrastructure model). However, the service was unable to achieve sufficient capital-efficient adoption and shut down on May 30, 2025.