
GUN
RxDB
SignalDB
PouchDB
Meteor
FeathersJS
Supabase
Realtime database backend based on Operational Transformation (OT)

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

Which is more popular?
Based on our record, Yjs seems to be a lot more popular than ShareDB. While we know about 27 links to Yjs, we've tracked only 1 mention of ShareDB.
Website, pricing, platforms and company facts side by side.
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What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


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


An external library such as ShareDB can help here. ShareDB uses OT and allows multiple clients to collaborate on a document efficiently. - Source: dev.to / over 1 year ago
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 / 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 / 5 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
When comparing ShareDB and Yjs, you can also consider the following products.


A fast, offline-first, reactive Database for JavaScript Applications
Compare RxDB to ShareDB or Yjs:

SignalDB is a reactive, local-first JavaScript database designed for modern web applications. It combines signal-based reactivity with powerful local data management and real-time synchronization capabilities.
Compare SignalDB to ShareDB or Yjs:


Open-source JavaScript database inspired by Apache CouchDB that's designed to run well within the browser
Compare PouchDB to ShareDB or Yjs:

High-performance sync for multiplayer web apps. Up to 120 FPS sync, automatic persistence, server authority, fine-grained auth, and more...
Compare Reflect.net to ShareDB or Yjs: