
PouchDB
RxDB
GUN
Thymer
Yjs
FeathersJS
Git Large File Storage
A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.

Code for Fun
Learn coding online & explore unlimited career possibilities from the comfort of your home. Get 1-on-1 online coding assistance from experienced coding coaches !

Which is more popular?
Based on our record, Automerge seems to be more popular. It has been mentioned 13 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | automerge.org | codeisfun.com |
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What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


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Automerge: a new foundation for collaboration software
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Recommendations tracked on public social media and blogs since March 2021.


This is apparently based on Automerge.[1] It sounds like a really good idea. Is it a good enough idea to sync MMO game clients and servers? Paper from 2012, last Automerge site update in 2025. Why isn't this everywhere? [1]... - Source: Hacker News / about 2 months ago
Automerge (official) - Automerge project goals, JSON-like CRDT semantics, and cross-platform bindings. (automerge.org). - Source: dev.to / 3 months ago
For values that don't have a natural merge function (or where you don't want to bother writing one), would it make sense to sync update logs instead? That is: - The synced value is a history of client updates, sorted in some eventually... - Source: Hacker News / 4 months ago
Tracking Codeisfun since Dec 2022.
When comparing Automerge and Codeisfun, you can also consider the following products.

Open-source JavaScript database inspired by Apache CouchDB that's designed to run well within the browser
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A fast, offline-first, reactive Database for JavaScript Applications
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Web-based Project management and task planning for people who hate project management and task planning. For individuals, teams and small businesses.
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A CRDT framework with a powerful abstraction of shared data, Shared data types for building collaborative software
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