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

1,000 +0

70,876 +80

6,841 +6

GitHub
json by nlohmann

JSON for Modern C++

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

C++

764 +1

39,580 +82

6,384 +7

GitHub
jq by jqlang

Command-line JSON processor

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

C

325 +1

28,750 +107

1,514 +0

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

1,303 +0

25,603 +5

6,515 -1

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 -1

22,893 +10

4,260 +6

GitHub
SwiftyJSON by SwiftyJSON

The better way to deal with JSON data in Swift.

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

Swift

621 +0

22,383 +5

3,406 +6

GitHub
normalizr by paularmstrong

Normalizes nested JSON according to a schema

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

JavaScript

201 +0

20,973 -2

861 +0

GitHub
lowdb by typicode

Simple and fast JSON database

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

JavaScript

242 +0

20,734 +35

892 +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

211 -2

20,450 +90

996 +0

GitHub
toml by toml-lang

Tom's Obvious, Minimal Language

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

Unknown languages

325 +0

19,066 +17

841 -2

GitHub
fx by antonmedv

Terminal JSON viewer & processor

created at Jan. 25, 2018, 5:29 p.m.

Go

122 +1

18,281 +124

430 +4

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++

237 +0

18,276 +40

959 +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++

557 +0

13,789 +7

3,478 +7

GitHub
gron by tomnomnom

Make JSON greppable!

created at Sept. 8, 2012, 12:46 a.m.

Go

95 +1

13,411 +28

328 -7

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

111 -1

13,267 +14

855 +0

GitHub
moshi by square

A modern JSON library for Kotlin and Java.

created at Aug. 9, 2014, 3:58 p.m.

Kotlin

181 +1

9,464 +13

735 +1

GitHub
jackson by FasterXML

Main Portal page for the Jackson project

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

Unknown languages

342 +0

8,750 +18

1,178 -1

GitHub
JSON-js by douglascrockford

JSON in JavaScript

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

JavaScript

484 +0

8,647 +1

4,598 -1

GitHub
jc by kellyjonbrazil

CLI tool and python library that converts the output of popular command-line tools, file-types, and common strings to JSON, YAML, or Dictionaries. This allows piping of output to tools like jq and simplifying automation scripts.

created at Oct. 15, 2019, 10:04 p.m.

Python

28 +0

7,460 +12

187 +0

GitHub
visidata by saulpw

A terminal spreadsheet multitool for discovering and arranging data

created at Oct. 27, 2016, 4:21 a.m.

Python

71 +0

7,347 +18

270 +0

GitHub