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json-joy library implements cutting-edge real-time andcollaborative editing algorithms and other utilities for JSON data models.Major focus ofjson-joy is development of the JSON CRDT protocol, aConflict-free Replicated Data Type that enables seamlessmerging of changes in JSON data models, avoiding conflicts between replicas.

• Website
• Documentation
• Blog posts
  • Collaborative Text Editors (Part 2): Plain Text Synchronization
  • Collaborative Text Editors (Part 1): Prelude
  • Fuzz Testing RGA CRDT
  • Benchmarking JSON Serialization Codecs
  • List CRDT Benchmarks
  • Blazing Fast List CRDT
• JSON CRDTspecification
• JSON CRDT Patchspecification
• JSON Expressionspecification
• JSON Reactive RPCspecification
• Compact JSONencoding
• API Reference
• Test coverage

• Full JSON implementation as a CRDT (Conflict-free Replicated Datatype).
• The fastest list CRDT implementation in JavaScript.
• The fastest text OT (Operational Transformation) implementation in JavaScript.
• The fastest implementation of CBOR, DAG-CBOR, MessagePack, UBJSON, and JSON codecs in JavaScript.
• The fastest (HTTP) router implementation in JavaScript.
• The fastest JSON schema validation implementation in JavaScript.
• Very fast binary tree (Radix, AVL, Red-black*, Splay) implementations in JavaScript.
• Very fast JSON Patch (and JSON Pointer) implementation in JavaScript, including many non-standard operations, and JSON Predicate implementation.
• Very fast JSON Expression implementation in JavaScript.