1540 Open source projects that are alternatives of or similar to Fastjson

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

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

C++ Serialization library for JSON

The fastest JSON library in C

Serialize / Deserialize Dart Objects to / from JSON

WIP, use libmir/asdf package for now

FlatBuffers Compiler and Library in C for C

🐍 A Python lib for (de)serializing Python objects to/from JSON

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

JSON object for Delphi based on IUnknown and Variant

An extremely simple, fast, efficient, cross-platform serialization format

Extra features for Python's JSON: comments, order, numpy, pandas, datetimes, and many more! Simple but customizable.

A handy swift json-object serialization/deserialization library

A lightweight, clean and simple JSON implementation in Scala

A fast classic ASP JSON parser and encoder for easy JSON manipulation to work with the new JavaScript MV* libraries and frameworks.

Fast and nice to use C++ JSON library.

Python library to convert/serialize class instances(Objects) both flat and nested into a dictionary data structure. It's very useful in converting Python Objects into JSON format

JSON for Modern C++

A tool for fast serializing & deserializing of JSON

JSON decoding/encoding/manipulation library.

Modern way to convert python dataclasses or other objects to and from more common types like dicts or json-like structures

Efficient CBOR and JSON (de)serialization in Scala

A C++, header-only library for constructing JSON and JSON-like data formats, with JSON Pointer, JSON Patch, JSON Schema, JSONPath, JMESPath, CSV, MessagePack, CBOR, BSON, UBJSON

Flexible, Fast & Compact Serialization with RPC

Static JSON parsing in C++

Fast and well tested serialization framework on top of dataclasses

🌞 JSON-dry allows you to serialize & revive objects containing circular references, dates, regexes, class instances,...

Efficiently produce and consume JSON API documents.

Easy, Fast and Lightweight Json Formatter. (Serializer and Deserializer)

JSON serialization framework for Nim, works from a Stream directly to any type and back. Depends only on stdlib.

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

Rails gem for fast jsonapi-compliant APIs.

Fast JSON serializer for golang.

A library to serialize and deserialize objects with minimum memory usage.

@codec("encoder", "decoder") var cool: Bool = true

JSON schema generation from dataclasses

🗜 Ultra tiny serializer / encoder with plugin-support. Useful to build binary files containing images, strings, numbers and more!

Serializer/Deserializer for Kafka to serialize/deserialize Protocol Buffers messages

A TypeScript serialization/deserialization library to convert objects to/from JSON

Create a JSON API/Feed for your elements in Craft.

Input/Output/Error management for your python controllers with Swagger doc generation

Simple dataclasses configuration management for Python with hocon/json/yaml/properties/env-vars/dict support.

AMQP 0.9.1 protocol serialization and deserialization implementation for Ruby (2.0+)

JSON pull-parser/push-serializer library for C++

A correct and safe JSON parser.

Apache Avro serializer for .NET

Jackson JSON without annotation.

[DEPRECATED]: Prefer Room by Google, or SQLDelight by Square.

The Play JSON library

High Performance JSON Serialization for ActiveRecord & Ruby Objects

From JSON to Core Data and back.

Code generator for serializing/deserializing C++ objects to/from JSON using Clang and RapidJSON

A simple and fast JSON parser.

Rust high performance xml reader and writer

universal serialization engine

高性能超轻量级C++开发库及服务器编程框架

Kotlin multiplatform / multi-format serialization

FlatBuffers: Memory Efficient Serialization Library

🏇🏻 generalist, fast and tiny binary parser and compiler generator, powered by Go 1.18+ Generics

A Java serialization/deserialization library to convert Java Objects into json and back, faster and powerful then Gson.