* [Yjs v13.6.31](https://github.com/yjs/yjs) – CRDT framework offering shared data types for collaborative applications.

* [Yorkie v0.7.11](https://github.com/yorkie-team/yorkie) – Document store using JSON-like CRDTs for real-time collaborative applications with offline editing and conflict resolution.

* [Electric @electric-ax/agents-...](https://github.com/electric-sql/electric) – Postgres sync engine solving partial replication, fan-out, and data delivery for real-time data synchronization.

* [AFFiNE.Pro v2026.6.2-canary.103...](https://github.com/toeverything/AFFiNE) – Privacy-focused, local-first platform combining docs, whiteboard, databases, and real-time collaboration with AI support.