automerge VS y-crdt

Compare automerge vs y-crdt and see what are their differences.


A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically. (by automerge)


Rust port of Yjs (by y-crdt)
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automerge y-crdt
42 13
1,245 889
-1072.8% 11.5%
4.9 8.6
3 days ago 3 days ago
JavaScript Rust
MIT License GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of automerge. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-03-02.


Posts with mentions or reviews of y-crdt. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-01-30.

What are some alternatives?

When comparing automerge and y-crdt you can also consider the following projects:

yjs - Shared data types for building collaborative software

y-websocket - Websocket Connector for Yjs

crdt-benchmarks - A collection of CRDT benchmarks

FluidFramework - Library for building distributed, real-time collaborative web applications

SyncedStore - SyncedStore CRDT is an easy-to-use library for building live, collaborative applications that sync automatically.

slate-yjs - Yjs binding for Slate

teletype-crdt - String-wise sequence CRDT powering peer-to-peer collaborative editing in Teletype for Atom.

syncthing-android - Wrapper of syncthing for Android.

rust-crdt - a collection of well-tested, serializable CRDTs for Rust

automerge-rs - Rust implementation of automerge [Moved to:]

rust-libp2p - The Rust Implementation of the libp2p networking stack.