Protocol Buffers - Google's data interchange format

A fast JSON parser/generator for Java.

FlatBuffers: Memory Efficient Serialization Library

Cross-browser storage for all use cases, used across the web.

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

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

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

A handy swift json-object serialization/deserialization library

Decorator-based transformation, serialization, and deserialization between objects and classes.

Kotlin multiplatform / multi-format serialization

A C++11 library for serialization

HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.

Python Data Structures for Humans™.

Safely pass trusted data to untrusted environments and back.

Hprose is a cross-language RPC. This project is Hprose 2.0 for PHP

C++ Reflection Library

Java serialization library, proto compiler, code generator

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

Rust implementation of Google protocol buffers

Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code

FST: fast java serialization drop in-replacement

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

msgpack.org[Go] MessagePack encoding for Golang

YamlDotNet is a .NET library for YAML

The fastest JSON library in C

Thriftpy has been deprecated, please migrate to https://github.com/Thriftpy/thriftpy2

Hprose is a cross-language RPC. This project is Hprose for Golang.