FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

🚄 FASTJSON2 is a Java JSON library with excellent performance.

simplejson is a simple, fast, extensible JSON encoder/decoder for Python

Alba is a JSON serializer for Ruby, JRuby and TruffleRuby.

Shale is a Ruby object mapper and serializer for JSON, YAML, TOML, CSV and XML. It allows you to parse JSON, YAML, TOML, CSV and XML data and convert it into Ruby data structures, as well as serialize data structures into JSON, YAML, TOML, CSV or XML.

A CLI tool to help generate dart classes from json returned from API

Elixir library to render Json with relationship

C JSON parser (both, SAX-like & full DOM)

An F# JSON parser & serializer

No description provided.

Fast lightweight and compact JSON serializer for .NET. Distributed as .NET library and C# source code.

A fast json serializer

Lightweight embedded JSON mapper for C — structured data-to-JSON mapping with declarative macros. ThreadX/FreeRTOS/baremetal ready.

YAML and JSON parser, serializer and deserializer with YAML to JSON and vice versa conversion tools containing pure Object Pascal source code for both Delphi and Lazarus

Automatically convert JSON to dart objects in runtime without code generation.

💥Blazing-fast JSON utilities for Python, powered by Rust. Clean, safe, and built for serious performance.

A lightweight and efficient C++20 JSON library.

Mutils is a collection of utilities microservices

A library for Classic ASP(VBScript) to make your code more like VB.NET. It includes a typed ArrayList with Linq-like methods, O/R mapper, JSON-serializer and etc.

🔬 Proof of Concept of Auto Mapper inheritance (polymorphic) and JSON serialization

Single file Json parser and serializer

A lightweight, reflection-based JSON serializer and deserializer for C. Automatically maps structs to JSON without boilerplate.

An exceptionally fast, stream-oriented, header-only C++ JSON serialization library.

Lightweight json library for C++

An implementation of the JSON data format in Erlang.

Multi-format schema-based serializer, deserializer and validator. Charged URI syntax. URI Charge Notation

A simple converter from complex python objects to JSON

Minimalistic, zero-dependency implementations of some popular stuff, just for fun

Applications for JSON serialization, deserialization and accessor functionality in Rust and Go using a pipeline architecture

C JSON Streaming