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Convex

Open-source reactive backend with a TypeScript database

Developer Tools & Git ★ 12.7k stars Medium setup Apache-2.0

Convex is an open-source reactive application backend that combines a database, server functions and realtime sync addressed entirely through TypeScript. The backend can be self-hosted with Docker.

Official siteSource code

Key features

  • Reactive database
  • TypeScript functions
  • Realtime sync
  • Self-hostable

Strengths

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Mature project with 12.7k GitHub stars
  • Written in TypeScript

Is Convex secure?

No known vulnerabilities affect Convex's latest release (precompiled-2026-10-06-a3538c6). OSV.dev lists 1 past advisory for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2026-97691, published 2026-10-12 (2 days ago), fixed in precompiled-2026-08-10-c0cb7ae

Source: OSV.dev, checked 2026-10-14. How this is measured.

Convex replaces

Self-hosted Firebase alternatives

Health badge

Maintain Convex? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 95 · excellent

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   :alt: SelfHostIndex health score for Convex
   :target: https://selfhostindex.com/app/convex-backend/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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