fastjson by alibaba

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

created at Nov. 3, 2011, 6:58 a.m.

1,288 -2

25,750 -2

6,502 +0

json-server by typicode

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

created at Nov. 27, 2013, 1:21 p.m.

1,002 +1

73,030 +83

7,024 +5

json by nlohmann

JSON for Modern C++

created at July 4, 2013, 8:47 a.m.

765 -1

43,227 +99

6,740 +11

gson by google

A Java serialization/deserialization library to convert Java Objects into JSON and back

created at March 19, 2015, 6:21 p.m.

736 +0

23,389 +8

4,289 +2

SwiftyJSON by SwiftyJSON

The better way to deal with JSON data in Swift.

created at June 18, 2014, 2:41 p.m.

612 -1

22,665 +4

3,428 +4

rapidjson by Tencent

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

created at March 4, 2014, 5:53 a.m.

554 +1

14,259 +12

3,532 -2

JSON-js by douglascrockford

JSON in JavaScript

created at Nov. 18, 2010, 5:39 p.m.

485 +0

8,701 +0

4,588 +0

hcl by hashicorp

HCL is the HashiCorp configuration language.

created at July 31, 2014, 9:09 p.m.

367 -1

5,291 +6

595 +0

jackson by FasterXML

Main Portal page for the Jackson project

created at Oct. 19, 2011, 5:28 a.m.

344 +0

9,131 +9

1,188 -1

JSONKit by johnezang

Objective-C JSON

created at July 27, 2010, 10:06 a.m.

331 +0

6,213 +0

1,656 +0

toml by toml-lang

Tom's Obvious, Minimal Language

created at Feb. 24, 2013, 3:03 a.m.

325 +0

19,548 +10

856 +0

jq by jqlang

Command-line JSON processor

created at July 18, 2012, 7:57 p.m.

321 -1

30,565 +45

1,579 +5

jsonmodel by jsonmodel

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.

created at Dec. 2, 2012, 5:19 p.m.

260 +0

6,852 -1

1,048 +0

simdjson by simdjson

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

created at March 23, 2018, 12:49 a.m.

241 +0

19,360 +24

1,020 +0

lowdb by typicode

Simple and fast JSON database

created at April 2, 2014, 2:16 a.m.

241 +0

21,543 +22

923 +0

JSON-java by stleary

A reference implementation of a JSON package in Java.

created at Dec. 21, 2010, 5:46 p.m.

240 +0

4,536 +5

2,558 +1

json-editor by jdorn

JSON Schema Based Editor

created at Nov. 25, 2013, 1:30 a.m.

229 +0

5,812 +1

1,076 +1

rxdb by pubkey

A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/

created at Dec. 2, 2016, 7:34 p.m.

208 +0

21,624 +39

1,058 -1

normalizr by paularmstrong

Normalizes nested JSON according to a schema

created at Aug. 20, 2014, 8:41 a.m.

200 +0

20,962 -2

867 +0

ArduinoJson by bblanchon

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

created at Jan. 10, 2014, 3:54 p.m.

198 +0

6,741 +12

1,123 +2