Repository Index

FlatBuffers: Memory Efficient Serialization Library

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

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

• json
• json-parser
• simd
• avx2

Apache Thrift

• d
• thrift
• cplusplus
• dart

Serialization framework for Rust

• rust
• serde
• derive
• no-std

High-performance Protocol Buffers for JavaScript and TypeScript. Conformant through Edition 2026, and unusually versatile. No protoc required.

• javascript
• typescript
• protobuf
• protocol-buffers

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

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

• json
• python
• rust
• serialization

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

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

Parse and stringify URL query strings

• query-string
• urlsearchparams
• url
• stringify

Magical Data Modeling Framework for JSON - allows rapid creation of smart data models. You can use it in your iOS, macOS, watchOS and tvOS apps.

TOML parser for Golang with reflection.

Plugin and runtime library for using protobuf with Swift

A C++11 library for serialization

• cereal
• serialization
• c-plus-plus

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

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

Simple Binary Encoding (SBE) - High Performance Message Codec

• codec
• java
• c-plus-plus
• golang

Apache Avro is a data serialization system.

• csharp
• ruby
• cplusplus
• python

Extremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF

• api
• binary
• cplusplus
• cpp

Fast JSON parser and validator for Go. No custom structs, no code generation, no reflection

• json-parser
• fast
• golang
• go

Header-only TOML config file parser and serializer for C++17.

• toml
• cplusplus-17
• cplusplus-20
• header-only

An incredibly fast, pure Elixir JSON library

• elixir
• elixir-libraries
• json
• json-library

💡Extremely fast enterprise server framework, can be used in RPC, game server, web server.

• netty
• serialization
• game-server
• spring

A C++20 library for fast serialization, deserialization and validation using reflection. Supports JSON, Avro, Boost Serialization, BSON, Cap'n Proto, CBOR, Cereal, Command line interfaces, CSV, Environment variables, flexbuffers, msgpack, parquet, TOML, UBJSON, XML, YAML, yas / msgpack.org[C++20]

Parse and render REST API documents using representers.

A blazing fast JSON parser and generator in pure Elixir.

• elixir
• json