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

A high-performance 100% compatible drop-in replacement of "encoding/json"

A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.

A lightweight library for converting complex objects to and from simple Python datatypes.

Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy

A handy swift json-object serialization/deserialization library

🚄 FASTJSON2 is a Java JSON library with excellent performance.

The fastest JSON library in C

Python Data Structures for Humans™.

JexBoss: Jboss (and Java Deserialization Vulnerabilities) verify and EXploitation Tool

A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML

🎷No ceremony, just code. Blazing fast, typesafe binary serialization.

Cista is a simple, high-performance, zero-copy C++ serialization & reflection library.

Map nested JSON structures onto PHP classes

jsoniter (json-iterator) is fast and flexible JSON parser available in Java and Go

Python library for serializing any arbitrary object graph into JSON. It can take almost any Python object and turn the object into JSON. Additionally, it can reconstitute the object back into Python.

Rust high performance xml reader and writer

Declarative binary reading and writing: bit-level, symmetric, serialization/deserialization

Module that adds support for serialization/deserialization of Kotlin (http://kotlinlang.org) classes and data classes.

Java RMI Vulnerability Scanner