collaborative editing

conclave case study has a good explaination of collaborative editing techniques with diagrams

etherpad

• https://pad.riseup.net/p/learningday

google docs

• writely -> gdocs

crdt in atom

others:

• https://firepad.io/
• https://rustpad.io/
• https://cryptpad.fr/
• https://yjs.dev/ (CRDT framework rather than editor)
• https://github.com/automerge/automerge
• https://www.inkandswitch.com/peritext/