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fortune-sheet
A drop-in javascript spreadsheet library that provides rich features like Excel and Google Sheets
I posted this project to r/reactjs a couple of weeks a ago and received many feedbacks. It's more refined now and I would like share with r/webdev too! It's like Google Sheets, and completely open source. Github: https://github.com/ruilisi/fortune-sheet Live Demo: https://ruilisi.github.io/fortune-sheet-demo BTW, one thing to be mentioned is that in the collabration demo, I didn't use any OT or CRDT algorithms to ensure all clients are strictly synchronized. There're chances that one client make changes that collides with another client (e.g. editing the same cell), and result in different state. Any ideas of improving this?
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Checkout yjs it uses CRDTs https://github.com/yjs/yjs
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SurveyJS
A Non-Cloud Alternative to Google Forms that has it all.. SurveyJS JavaScript libraries allow you to easily set up a robust form management system fully integrated into your IT infrastructure where users can create and edit multiple dynamic JSON-based forms in a no-code form builder. Learn more now.
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automerge
A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.
And about conflict --as already mentioned in comments-- CRDTs is the way to go here. Automerge is an implementation you may want to look into.
