
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.

Instant visual diffing between websites

Which is more popular?
Based on our record, Automerge seems to be more popular. It has been mentioned 15 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | automerge.org | diffee.me |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
Walkthroughs and reviews on video.
Automerge: a new foundation for collaboration software
More videos
Mr. Diffee Reviews The Tattooed Sales Guy
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


For pulling changes, the server maintains a change log (or you use a sync protocol like Yjs or Automerge). The client periodically asks for changes since the last sync point (since timestamp or revision). - Source: dev.to / 3 days ago
This is the same principle behind Automerge and Yjs, which is how collaborative editors let twelve people type into one paragraph without a central referee. - Source: dev.to / about 1 month ago
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 / 3 months ago
Tracking Diffee since Mar 2021.
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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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Wow your users. Build incredible real-time applications in record time.
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