CRDT Survey, Part 1: Introduction - Matthew Weidner

Collaborative Text Editing without CRDTs or OT - Matthew Weidner

Matthew Weidner | May 21st, 2025 Home | RSS Feed Keywords: text editing, server reconciliation, Articulated

Peritext: A CRDT for Rich-Text Collaboration

Collaboration on rich text is hard to model with plain-text approaches. We review the challenges and how to construct a CRDT for rich text.

About CRDTs • Conflict-free Replicated Data Types

Resources and community around CRDT technology — papers, blog posts, code and more.

An Interactive Intro to CRDTs | jakelazaroff.com

CRDTs don't have to be all academic papers and math jargon. Learn what CRDTs are and how they work through interactive visualizations and code samples.

Exploring CRDT Lexicons

I’ve (alongside many others I’m sure) been working on CRDT work with atproto, and I think we’ll need to come up with some standard for how to represent CRDT data as lexicons. @chris.pardy.family has written a leaflet exploring what such a record could look like and is looking for feedback and thoughts: CRDT's on ATProto I think it’s a good start. It doesn’t tie us to any particular CRDT, though it doesn’t guarantee interop between different CRDT types, which seems fine to me. I’m thinking may...

CRDT Papers • Conflict-free Replicated Data Types

Resources and community around CRDT technology — papers, blog posts, code and more.

I was wrong. CRDTs are the future

I saw Martin Kleppmann’s talk a few weeks ago about his approach to realtime editing with CRDTs, and I felt a deep sense of despair. Maybe all the work I’ve been doing for the past decade won’t be part of the future after all, because Martin’s

The CRDT Dictionary: A Field Guide to Conflict-Free Replicated Data Types - Ian Duncan

A comprehensive guide to CRDTs and their tradeoffs, from counters to sequences. Written in the spirit of the Typeclassopedia, exploring how different CRDTs solve the distributed consensus puzzle.

Proposal for a CRDTs on At Proto Working Group

There’s been some work done on using the PDS / At Proto as a to store and transmit CRDT operations. There is a general feeling that if we can figure out the right approach for this it will enable a number of new experiences on At Proto, specifically a collaborative editing approach that is localfirst. We hope that as a working group we can come up with some of the following: A set of best practices and recommendations that apps can adopt to enable collaborative, localfirst, editing via crdts ...

Paul Copplestone - e/postgres on Twitter / X

we've released a CRDT extension for Postgres (experimental and open source)why? A CRDT is a special data type used for collaboration - think of a Google Doc. The changes are merged even as people are typing simultaneouslythese CRDTs are then serialized on a server and then… pic.twitter.com/WJDJlK733D— Paul Copplestone - e/postgres (@kiwicopple) November 21, 2025

How CRDTs make multiplayer text editing part of Zed's DNA

From the Zed Blog: A detailed exploration of Zed's eventually-consistent text representation.

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