Repository Index

FlatBuffers: Memory Efficient Serialization Library

• flatbuffers
• serialization
• serialization-library
• json-parser

🎒 Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts. TypeScript SDK, CLI, benchmarks.

• data-format
• llm
• serialization
• tokenization

A fast JSON parser/generator for C++ with both SAX/DOM style API

Apache Thrift

• d
• thrift
• cplusplus
• dart

Simple JSON Object mapping written in Swift

A querystring parser and serializer with nesting support

• javascript
• encoding
• querystrings
• nodejs

A C++ library for interacting with JSON.

A fast, convenient and nonintrusive conversion framework between JSON and model. Your model class doesn't need to extend any base class. You don't need to modify any model file.

• objective-c
• model
• json
• dictionary

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

• typescript
• transformation
• exposing-properties
• exposing-getters

📟 JSON library for Arduino and embedded C++. Simple and efficient.

• arduino
• c-plus-plus
• iot
• embedded

Java binary serialization and cloning: fast, efficient, automatic

• java
• serialization
• cloning
• kryo

Super-fast/easy runtime validators and serializers via transformation

• json
• stringify
• typescript
• fast

TinyXML2 is a simple, small, efficient, C++ XML parser that can be easily integrated into other programs.

ActiveModel::Serializer implementation and Rails hooks

• ruby
• json
• resource-serializer

Fast JSON serializer for golang.

• golang
• json
• json-serialization
• code-generation

PROST! a Protocol Buffers implementation for the Rust Language

• protobuf
• rust

Zero encoding extreme performance binary serializer for C# and Unity.

A reference implementation of a JSON package in Java.

• hacktoberfest
• java
• json
• public-domain

A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.

• cross-language
• fast
• jit
• multiple-language

Renderer for the harmony response format to be used with gpt-oss

Ultra fast JSON decoder and encoder written in C with Python bindings

• python
• c
• ultrajson
• json

Smarter YAML front matter parser, used by metalsmith, Gatsby, Netlify, Assemble, mapbox-gl, phenomic, vuejs vitepress, TinaCMS, Shopify Polaris, Ant Design, Astro, hashicorp, garden, slidev, saber, sourcegraph, and many others. Simple to use, and battle tested. Parses YAML by default but can also parse JSON Front Matter, Coffee Front Matter, TOML Front Matter, and has support for custom parsers. Please follow gray-matter's author: https://github.com/jonschlinkert

• yaml
• front-matter
• matter
• javascript

🚄 FASTJSON2 is a Java JSON library with excellent performance.

• json
• fastjson
• json-parser
• jsonb

Jbuilder: generate JSON objects with a Builder-style DSL