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.

1,302 +0

25,629 +5

6,520 +2

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.

997 -1

71,135 +69

6,853 +5

json by nlohmann

JSON for Modern C++

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

765 +0

40,181 +134

6,487 +12

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.

737 +0

22,938 +11

4,260 +0

SwiftyJSON by SwiftyJSON

The better way to deal with JSON data in Swift.

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

621 +0

22,419 +14

3,411 +2

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.

558 +0

13,843 +15

3,485 +3

JSON-js by douglascrockford

JSON in JavaScript

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

485 +1

8,658 +2

4,594 +0

hcl by hashicorp

HCL is the HashiCorp configuration language.

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

371 +0

5,060 +14

577 +2

jackson by FasterXML

Main Portal page for the Jackson project

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

343 +0

8,810 +15

1,182 +0

JSONKit by johnezang

Objective-C JSON

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

332 +0

6,215 -1

1,656 +0

toml by toml-lang

Tom's Obvious, Minimal Language

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

325 +0

19,140 +19

841 +1

jq by jqlang

Command-line JSON processor

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

324 +0

29,011 +85

1,520 +2

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

6,858 +0

1,040 -2

lowdb by typicode

Simple and fast JSON database

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

243 +0

20,851 +26

895 +1

JSON-java by stleary

A reference implementation of a JSON package in Java.

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

241 +0

4,472 +5

2,549 -1

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.

237 +0

18,360 +25

962 +2

json-editor by jdorn

JSON Schema Based Editor

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

229 +1

5,784 +0

1,078 -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.

211 +0

20,551 +25

1,004 +1

normalizr by paularmstrong

Normalizes nested JSON according to a schema

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

201 +0

20,966 -5

860 +0

jsonschema2pojo by joelittlejohn

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

created at June 22, 2013, 10:28 p.m.

200 +0

6,145 +2

1,642 +0