Realtime database backend based on Operational Transformation (OT)

Operational transformation library to build applications and web-services with collaborative access to the data (live data editing).

Collaborative editing with multi cursors sync using Quill and ShareDB.

Collaborative rich text editor

Share and edit documents in real-time: transport-agnostic operational transformation control layer

Open Cooperative Web Framework

An Etherpad Lite client for Java

JavaScript implementation of Operational Transformation