---
title: "Diamond Types"
description: "Rust CRDT implementation for collaborative plain-text editing optimised for extremely fast merging of long editing histories."
canonical: "https://vibing.inc/library/diamond-types-vg-0915"
category: "Dev Utilities & Vibe-Coding Tooling"
subcategory: "Local-first & sync"
license: "open-source"
author: "Joseph Gentle (@josephg)"
source: "https://github.com/josephg/diamond-types"
---

# Diamond Types
Rust CRDT implementation for collaborative plain-text editing optimised for extremely fast merging of long editing histories.
## Facts
- Source: https://github.com/josephg/diamond-types
- Category: Dev Utilities & Vibe-Coding Tooling / Local-first & sync
- Author: Joseph Gentle (@josephg)
- Licence: open-source
- Tags: crdt, rust, text-editing, performance
## Why it's a gem
The benchmark everyone else's text CRDT gets measured against, from ShareJS's author.
---
Listed in The Vibeary: https://vibing.inc/library/diamond-types-vg-0915 · JSON: https://vibing.inc/api/public/library/gems/diamond-types-vg-0915