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Convex

Open-source reactive backend where TypeScript queries react to database changes in real time

free-tier Database & Data Tools database backend realtime typescript reactive open-source

Convex is an open-source reactive backend platform. Write queries and mutations as TypeScript functions that run directly in the database and automatically push updates to connected clients. Includes serverless functions, file storage, scheduling, and full-text search.

Pricing

Free starter plan, usage-based Starter plan, $25/member/mo Professional