
GUN
RxDB
Liveblocks
Reflect.net
ShareDB
Automerge
FeathersJS
A CRDT framework with a powerful abstraction of shared data, Shared data types for building collaborative software

LeetCode
The bug you can't spot today ships tomorrow. Train before the incident: one realistic AI pull request a day, graded against a canonical review. Free, no signup.

Which is more popular?
Based on our record, Yjs seems to be more popular. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | github.com | diffdojo.com |
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What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Yjs and DiffDojo. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


For multiplayer editing I used Yjs, a CRDT (Conflict-free Replicated Data Type) library — no server-side conflict resolution, edits from multiple clients converge automatically, the same approach Google Docs and Figma use. - Source: dev.to / about 2 months ago
In the architecture of my Collaborative-Code-Editor, choosing CRDTs over OT gives me the advantage of not depending on a server for my data conflicts. Using Yjs as my CRDT library, not only fixes the problems OT arises but comes with... - Source: dev.to / 4 months ago
Highly suggest you take a look here: https://github.com/yjs/yjs CRDT can absolutely do what you’re asking. - Source: Hacker News / 5 months ago
Tracking DiffDojo since Sep 2026.
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High-performance sync for multiplayer web apps. Up to 120 FPS sync, automatic persistence, server authority, fine-grained auth, and more...
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Realtime database backend based on Operational Transformation (OT)
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