---
title: "json-joy"
description: "High-performance JSON CRDT, JSON Patch, JSON Pointer and binary codec toolkit for building collaborative document infrastructure."
canonical: "https://vibing.inc/library/json-joy-vg-0921"
category: "Dev Utilities & Vibe-Coding Tooling"
subcategory: "Local-first & sync"
license: "Apache-2.0"
author: "Vadim Dalecky (@streamich)"
source: "https://github.com/streamich/json-joy"
---

# json-joy
High-performance JSON CRDT, JSON Patch, JSON Pointer and binary codec toolkit for building collaborative document infrastructure.
## Facts
- Source: https://github.com/streamich/json-joy
- Category: Dev Utilities & Vibe-Coding Tooling / Local-first & sync
- Author: Vadim Dalecky (@streamich)
- Licence: Apache-2.0
- Tags: crdt, json, collaboration, performance
## Why it's a gem
Benchmark-topping CRDT internals from the author of react-use, hidden in a grab-bag repo.
---
Listed in The Vibeary: https://vibing.inc/library/json-joy-vg-0921 · JSON: https://vibing.inc/api/public/library/gems/json-joy-vg-0921