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.

JavaScript

995 +1

71,436 +79

6,886 +6

GitHub
json by nlohmann

JSON for Modern C++

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

C++

765 +1

40,586 +103

6,527 +10

GitHub
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.

Java

1,299 +0

25,644 +6

6,505 -3

GitHub
JSON-js by douglascrockford

JSON in JavaScript

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

JavaScript

485 +0

8,667 +5

4,593 +2

GitHub
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.

Java

738 +0

23,002 +19

4,251 -1

GitHub
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.

C++

558 +0

13,922 +10

3,493 +0

GitHub
SwiftyJSON by SwiftyJSON

The better way to deal with JSON data in Swift.

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

Swift

618 +0

22,452 +4

3,416 +2

GitHub
JSON-java by stleary

A reference implementation of a JSON package in Java.

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

Java

241 +0

4,482 +2

2,551 +0

GitHub
JSONKit by johnezang

Objective-C JSON

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

Objective-C

331 -1

6,215 +2

1,657 +0

GitHub
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.

Java

199 -1

6,152 +0

1,647 +2

GitHub
jq by jqlang

Command-line JSON processor

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

C

324 +0

29,216 +41

1,528 +0

GitHub
countries by mledoze

World countries in JSON, CSV, XML and Yaml. Any help is welcome!

created at Jan. 6, 2012, 2:01 p.m.

PHP

159 +0

5,900 +5

1,260 -1

GitHub
jackson by FasterXML

Main Portal page for the Jackson project

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

Unknown languages

343 +0

8,858 +8

1,184 +2

GitHub
ArduinoJson by bblanchon

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

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

C++

194 +0

6,587 +13

1,096 -2

GitHub
json-editor by jdorn

JSON Schema Based Editor

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

JavaScript

229 +0

5,791 +2

1,077 +0

GitHub
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.

Objective-C

260 +0

6,856 +0

1,040 +0

GitHub
rxdb by pubkey

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

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

TypeScript

209 -1

20,791 +30

1,011 +2

GitHub
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.

C++

239 +1

18,538 +43

970 +2

GitHub
lowdb by typicode

Simple and fast JSON database

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

JavaScript

240 -2

20,963 +23

901 +3

GitHub
ajv by ajv-validator

The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)

created at May 19, 2015, 11:23 p.m.

TypeScript

110 +0

13,443 +10

860 +1

GitHub