json-diff-ts
Modern TypeScript JSON diff library - Zero dependencies, high performance, ESM + CommonJS support. Calculate and apply differences between JSON objects with advanced features like key-based array diffing, JSONPath support, and atomic changesets.
selective-object-reuse
Simple javascript object wrapper that recursively substitutes object-like properties if they match the previously stored values
smart-json-diff
A modern, compact JSON comparison library with path-aware output and multiple output modes