JSON for Modern C++

A C++, header-only library for constructing JSON and JSON-like data formats, with JSON Pointer, JSON Patch, JSON Schema, JSONPath, JMESPath, CSV, MessagePack, CBOR, BSON, UBJSON

JSONLab: compact, portable, robust JSON/binary-JSON encoder/decoder for MATLAB/Octave

C++ header-only JSON library

json-joy is a library that implements cutting-edge real-time and collaborative editing algorithms and utilities for JSON data models, with a focus on developing the JSON CRDT (Conflict-free Replicated Data Type) specification and implementation.

Universal Binary JSON draft-12 serializer for Python

JData: a language-independent data annotation for portable storage and interchange

Small System Framework - JSON parser/generator, Reed-Solomon, finite state machine framework, and other high quality interfaces for embedded systems.

Go package for working with Universal Binary JSON - http://ubjson.org/

UBJSON serialization for Rust using Serde

Binary to table converter for lua.

See https://benchmark.sourcemeta.com for the latest version of this benchmark

Fastest JSON serialization in native JavaScript. Works in browser and Node.js

An automated and extensible space-efficiency benchmark of JSON-compatible serialization specifications

Kotlin UBJSON library

an implementation of the Universal Binary JSON (UBJSON) computer data interchange format for Scala

An implementation of Universal Binary JSON (UBJSON) for Pharo

Plugin for qt_files_photo-gallery to export Metadata to BSON, CBOR, MessagePack, UBJSON, BJData formats

JavaScript Binary Object Notation - a module for encoding/decoding objects to/from binary

🚀 A flexible Python library for easy handling and conversion of Hierarchical, Tabular, and Serialized data formats.