
Open-source backend platform you can self-host or use in the cloud
Appwrite is an open-source backend-as-a-service that gives you authentication, databases, file storage, serverless functions, and realtime subscriptions in one platform. Run it on your own server with Docker or use Appwrite Cloud for a managed experience. Ideal for founders who want full data ownership without building their backend from scratch.

Supabase
Open-source Firebase alternative with Postgres, auth, and storage included

Coda
All-in-one doc, database, and app workspace for collaborative teams

Stackby
Spreadsheet-database hybrid with built-in automations and API integrations
Baserow
Open-source no-code database with app builder and workflow automation