Open source
Turso
Distributed SQLite at the edge, replicated close to your users.
What it is
Built on libSQL, an open fork of SQLite. It lets you create hundreds of small databases (one per customer, for example) and replicate them across regions for minimum-latency reads, with replicas embedded in the application itself.
Best for
Multi-tenant architectures and read-heavy edge apps.
What the free plan includes
- 100 databases
- 5 GB of total storage
- 500 million row reads per month
- 10 million row writes per month
Free plans change often. Confirm the limits on the official page before deciding.
Supabase
PickA backend on Postgres with auth, storage and realtime.
Free projects with 500 MB of database
Neon
PickServerless Postgres with instant database branches.
Free plan with 100 projects
Upstash
Serverless Redis, queues and workflows billed per request.
Free plan with 500,000 commands per month