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Awesome JSON – Massive Collection of Resources

admin March 10, 2021

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Awesome JSON - Massive Collection of Resources

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A curated list of awesome JSON libraries and resources.

Awesome JSON

Applications

OS X

Visual JSON (github) – simple JSON pretty-viewer for Mac OS X.
JSONExport – convert a object to a class of one of the currently supported languages.

Binary Serialization

BSON – Binary JSON.
MessagePack – An extremely efficient object serialization library.
UBJSON – The universally compatible format specification for binary JSON.
CBOR – Concise Binary Object Representation.
PSON – Protocol JSON, super efficient binary serialization format.

Browser Extensions

Chrome

JSON Formatter (github) – Makes JSON easy to read. Open source.
JSON Viewer (github) – It is a Chrome extension for printing JSON and JSONP.
JSON Browser (github) – Browse a JSON web with the help of JSON schemas.
JSON Finder (github) – Browse like you do it in Finder.
JSON Viewer Awesome – An open source Chrome extension for browsing JSON with syntax highlighting and folding, or as a visual graph.

Firefox

JSONView (github) – View JSON documents in the browser.

Safari

JSONAce (github) – Formats & syntax highlights JSON viewed inside of the web browser using the ACE editor.
JSONView (github) – A port of the JSONView Firefox extension that formats and syntax highlights JSON viewed inside of the browser

Command-line tools

fx – A interactive terminal tool.
jo – A small utility to create JSON objects
jsoncat – Pretty-print Json in terminal with colors and adjusting tabs size.
jq – A lightweight and flexible command-line JSON processor.
json – A “json” command for massaging JSON on your Unix command line.
jshon – A parser designed for maximum convenience within the shell.
jarg – Shorthand JSON and form encoding syntax in the shell.
jsawk – Like awk, but for JSON.
json-dotenv – Manipulate and extract envfiles in json format.
gron – Convert a JSON file into discrete assignments that are greppable.
jid – Incremental Digger. Drill down JSON interactively by using filtering queries like jq.
jiq – It’s jid with jq. You can drill down interactively by using jq filtering queries.
jv – jv (for jsonviewer) helps you view your JSON.
jl – Functional sed for JSON.
oj – A fast and flexible command line JSON processor.
visidata – A terminal spreadsheet-like tool for interactively exploring data.

Databases

MongoDB – an open-source document database, and the leading NoSQL database.
RethinkDB – An open-source distributed document database with a pleasant and powerful query language.
EJDB – Embedded JSON Database engine published under MIT license. (C)
lowdb – Flat file database built on lodash API. (Javascript)
Lawnchair – A lightweight clientside document store. (Javascript)
JSON ODM – Object document mapper for JavaScript to use on the server or in the browser. (Javascript)
JSON Server – Get a full fake REST API with zero coding in less than 30 seconds.
Kinto – A lightweight JSON storage service with synchronisation and sharing abilities.
CouchDB – Seamless multi-master sync, that scales from Big Data to Mobile, with an Intuitive HTTP/JSON API and designed for Reliability.
RxDB – Event-driven JSON-Database with JSON-Schema, mango-Query and CouchDB-sync. (Javascript)
JSONlite – A simple, self-contained, serverless, zero-configuration, json document store. (Bash)

Datasets

country.io – Various country related datasets, as JSON inc currency, country codes, names and more
countries – World countries.
vat-rates – VAT rates for all EU countries.
MTG JSON – Up to date Magic the Gathering card data.
Heartstone JSON – Up to date Hearthstone card data.
getCountries() – Generator for custom Countries data.

Data modeling

JSONModel – Magical Data Modelling Framework. (Objective-C)

Data generation

jsonymize – Reads data from standard input, anonymizes, then writes to standard output.
dyson – Server for dynamic, fake JSON. (node.js)

Differencing

JSONPatch – A format for describing changes to a document.
JSON-Patch – Lean and mean Javascript implementation of the JSON-Patch standard (RFC 6902). (Javascript)
jiff – JSON Patch and diff based on rfc6902. (Javascript)
json-patch-php – implementation of JSON-patch (IETF RFC 6902) (PHP)
dffptch – A micro library for diffing and patching using a compact diff format. (Javascript)
jsondiffpatch – Diff & patch for JavaScript objects. (Javascript)

Editors

FrontAid CMS – Content Management System that supports arbitrary data model structures.
JSONEdit – User friendly, visual editor built as an AngularJS directive.

Format Extensions

GeoJSON – A geospatial data interchange format.
JSON-LD – A lightweight Linked Data format.
JSON-RPC – A stateless, light-weight remote procedure call (RPC) protocol.
JSONP – Safer cross-domain Ajax with JSON-P/JSONP.
JsonML – A compact format for transporting XML-based markup as JSON which allows it to be losslessly converted back to its original form.
JSON5 – a extension that aims to make it easier for humans to write and maintain by hand.
JSON6 – JSON for Humans (ES6).
JSON 1.1/JSONX – An evolved version 1.1 with format extension for humans incl. comments, unquoted and multi-line strings, optional and trailing commas and more.
JSON Resume – The open source initiative to create standard for resumes.
JSON Web Tokens – A compact URL-safe means of representing claims to be transferred between two parties.
JSON API – A standard for building APIs.
Collection+JSON – A read/write hypermedia-type designed to support management and querying of simple collections.
hal-json – A set of conventions for expressing hyperlinks in either JSON or XML.
JSON Activity Streams – A format for syndicating social activities around the web.
JSON-stat – Simple lightweight format for data dissemination.
/contribute.json – Making open source contribution information easier to access, across projects.
JSON Table Schema – a simple schema for tabular data
NDJSON (Newline delimited JSON) – a standard for delimiting JSON in stream protocols.
survey.js – JSON based survey library.
JSON Meta Application Protocol (JMAP) – A protocol for synchronising JSON-based data objects efficiently, with support for push and out-of-band binary data upload/download.
J_ackSON: JSON secret keeper – JSONic way of storing secrets in config file.

Frontend components

JSON editor jQuery plugin – component for you web apps/pages. (jQuery)
jqTree – Widget for displaying a tree structure in html. (jQuery)
jsTree – jquery plugin, that provides interactive trees. (jQuery)
Dynatable.js – A funner, semantic, HTML5+JSON, interactive table plugin. (jQuery)
JSON Formatter – Angular directive for collapsible JSON in HTML. (AngularJS)
react-jsonschema-form – A React component for building Web forms from JSON Schema. (React)

Libraries

Jansson – A C library for encoding, decoding and manipulating data.
jsmn – A minimalistic parser in C. It can be easily integrated into the resource-limited projects or embedded systems.
ojc – A fast JSON parser.

C++

ArduinoJson – An efficient library for embedded systems.
JSON++ – A self contained Flex/Bison parser for C++11.
json11 – A tiny library for C++11.
Nlohmann JSON – A C++11 header-only class.
RapidJSON – A fast JSON parser/generator for C++ with both SAX/DOM style API
simdjson – Parsing gigabytes of JSON per second.

Clojure

data.json – parser/generator to/from Clojure data structures.

Fortran

JSON-Fortran – A Fortran library for writing, reading, and manipulating JSON files and data structures.

ojg – A collection of high performance JSON processing and generating tool.

Haskell

aeson-qq – JSON quasiquoter for Haskell.
json-schema – JSON Schema library for Haskell
hjsonschema – JSON Schema Draft 4 library for Haskell

Java

JSON-java – A reference implementation.
Fast JSON Processor
Gson – A Java library to convert JSON to Java objects and vice-versa.
Jackson – A multi-purpose Java library for processing JSON data format.
moshi – A modern JSON library for Android and Java.
essential-json – A lightweight Java library for serialization, parsing and manipulation with a clean and precise API.
dsl-json – A very fast streaming JSON library. Operates on byte arrays.
mjson – Lean JSON Library for Java, with a compact, elegant API.

Javascript

JSON-js – JSON in JavaScript.
JSON 3 – A modern implementation.
oboe.js – A streaming approach, speeds up web applications by providing parsed objects before the response completes.

Objective-C

JSONKit – Objective-C library.
SBJson – Parse one or more chunks of data.

Perl

JSON::Tiny – Perl module for encoding and decoding JSON in a minimalistic way.

PL/SQL

PL/JSON – A generic JSON object written in PL/SQL.

PHP

Webmozart JSON – A robust decoder/encoder with support for schema validation.

Python

simplejson – A simple, fast, extensible encoder/decoder
jsonpickle – Library for serializing any arbitrary object graph.
metamagic.json – An ultra-fast Python 3 implementation of a JSON encoder.

Ruby

oj – A fast JSON parser and Object marshaller as a Ruby gem.
MultiJSON – A generic swappable back-end for JSON handling.

React

json2react – Use JSON to create React Stateless Components.

.NET

jsonfx – serialization framework for .NET.
jsonapi-consumer – Client framework for consuming JSONAPI based APIs on the JSON API standard.

Scala

spray-json – A lightweight, clean and simple implementation in Scala.
circe – Yet another JSON library for Scala.
scala-jsonapi – Support library for integrating the JSON:API spec with Play, Spray and/or Circe backends.
jsoniter-scala – Scala macros for compile-time generation of ultra-fast JSON codecs.

Swift

SwiftyJSON – The better way to deal with data in Swift.

Linters

jsonlint – Parser and validator with a CLI. (Javascript)
JSON Lint – PHP linter. (PHP)

Online tools

JSONLint – The JSON Validator.
JSONCompare – The Advanced Version of the JSON Linter.
JSONMate – JSON editor, inspector and beautifier.
JSON Editor online – A web-based tool to view, edit and format.
Collapsible JSON Formatter – Formatter and Colorer of Raw Code.
JSON Formatter and Validator – Formatter to help with debugging.
JSON Generator – Tool for generating random data.
FakeJSON – Web API to quickly generate fake data for your application.
JSON to CSV – A free, in-browser JSON to CSV converter.
CSV to JSON – Easy, privacy-friendly and offline-first online csv to json converter
json2csharp – Generate c# classes from a json string or url.
JSON Utils – Site for generating C#, VB.Net, and Javascript classes from JSON.
geojson.io – Simply edit GeoJSON map data.
jq play – A playground for jq.
json2yaml – Convert JSON to YAML online.
JSON Selector Generator – A simple GUI for generating the selectors to access.
JSON.fr – Fully client-side validator and formatter.
ObjGen – Online live JSON generator.
JsonStub – Online JSON faker.
JSONPlaceholder – Fake Online REST API for Testing and Prototyping.
Extends Class – Diff tool to compare two files.
JSON Schema Validate API – A simple and free JSON Schema Validation API.
JSONLog – Logging and visualization of JSON from any client.

Schema Specifications

JSON Schema – a JSON based format for defining the structure of JSON data.
Itemscript – Language for validating and specifying values.
Kwalify – A parser, schema validator, and data binding tool
Rx – Simple, Extensible Schemata.

Services

Exchange Rate API – A simple and free API for currency exchange rate data.
ipinfo.io – JSON IP and GeoIP REST API.
JSONProxy – Simple HTTP proxy that enables cross-domain requests to any JSON API.
Myjson – A simple store for your web or mobile app.
Telize – JSON IP and GeoIP REST API.
jsonpad – a simple JSON storage platform.
JSONP Proxy – A REST API allowing to get JSONP from any API.

Supersets

YAML – A human friendly data serialization standard for all programming languages.
HanSON – JSON for Humans – with unquoted identifiers, multi-line strings and comments.
μson (uson) – a shorthand for JSON.
HOCON – Human-Optimized Config Object Notation.
ASON – A semantically complete superset of JSON (draft).
TOML – A minimal configuration file format that’s easy to read due to obvious semantics.
HCL – A structured configuration language that is both human and machine friendly.

Tutorials

Introducing JSON
JSON Tutorial – An introductory tutorial on JavaScript Object Notation (JSON).
JSON – Rosetta Code – Basic operations in different languages (57 languages in this moment).
What is JSON and how to use it – Video tutorial for beginners.
jq Primer: Munging JSON Data – How jq can be used to process JSON files just as effectively as traditional Unix tools.

Related formats

AXON – A simple text based format for interchanging of objects, documents and data. It tries to combine the best of JSON, XML and YAML.
CSON – CoffeeScript-Object-Notation. JSON for CoffeeScript objects.
MSON – Markdown syntax compatible with describing JSON and JSON Schema.
ArchieML – Structured text format optimized for human writability.

Resources

Type-o-rama – JS type systems interportability, comparison of different JS type systems and conversion between them.
Awesome jq – A curated list of awesome jq tools and resources.

Templates

Jsonnet – A domain specific configuration language that helps you define JSON data.
rabl – General ruby templating with json, bson, xml, plist and msgpack support. (Ruby)
json2html – HTML templating library with wrappers for both jQuery and Node.js. (Javascript)

Testing

JSON Test – Testing platform for services utilizing JavaScript Object Notation (JSON).
JSONassert – Write JSON unit tests in less code. Great for testing REST interfaces. (Java)
JsonUnit – A library that simplifies JSON comparison in unit tests. It’s strongly inspired by XmlUnit.
JSON Parsing Test Suite – A very complete test suite and validation framework.

Text Editor Plugins

Emacs

JSON Reformat – Reformat tool.

Vim

vim-json – A better JSON for Vim: distinct highlighting of keywords vs values, JSON-specific (non-JS) warnings, quote concealing. Pathogen-friendly.

Transformations

json-sharp – Javascript tool to process operations on pure JSON objects. (Javascript)
json2json – Transform (reformat) structures from one to another. (Javascript)
trans – The ultimate object transformer. (Javascript)
osmtogeojson – Converts OSM data to GeoJSON. (Javascript)
fast-xml-parser – Fast XML to JSON and vice versa javascript/JSON conversion.
x2js – XML to JSON and vice versa javascript conversion functions. (Javascript)
JSONC – JSON compressor and decompressor. (Javascript)
JsonMapper – Map nested structures onto PHP classes (PHP)
SassyJSON – Sass-powered API. (Sass)
json.human.js – A small library to convert a JSON object into a human readable HTML representation that is easy to style for different purposes.
JSONtoFoundation – OS X utility that converts a JSON object to a Foundation object that can be used in Cocoa/Cocoa Touch development. (Swift)
fanci – Extract, rename and transform JSON based on a template. (node.js)
Pinch – String.replace for JavaScript objects. (Javascript)
deepjson – A better way to load big json config files. (node.js)
jsontl – allow transformation using a JSON-based transformation language. (node.js)
json-transforms – A recursive, pattern-matching, approach to transforming JSON structures.
normalizr – Normalizes nested JSON according to a schema. (Javascript)
JSON-populate – Tool for populating JSON data with infinitely recursive circular references. Sort of like Falcor, but for plain JSON.
CircularJSON – JSON does not handle circular references. Now it does.
Sawmill – JSON transformation library (Java)
nimnjs – JSON to nimn bidirectional converter.

Queries

dasel – Query and update data structures using selectors from the command line. Comparable to jq / yq but supports JSON, YAML, TOML and XML with zero runtime dependencies.
JMESPath – A query language for JSON.
JSON Mask – Tiny language and engine for selecting specific parts of a JS object, hiding the rest. (Javascript)
JSONiq – The JSON Query Language.
ObjectPath – The agile query language for semi-structured data. (Python)
DefiantJS – Lightning-fast searches using XPath expressions, and transform using XSL. (Javascript)
JSONSelect – CSS-like selectors. (Javascript)
JSONPath – XPath implementation. (Javascript/PHP)
searchjs – A library for filtering based on a json SQL-like language.
json-rel – Transparent references in JSON.
JSONata – Query and transformation language used in Node-RED, supports function expressions.

JSON Schema Frontend components

JSON Editor – JSON Schema Based Editor. (jQuery)
angular-schema-form – Generate forms. (AngularJS)
JSON Schema View – An AngularJS directive for rendering JSON Schema in HTML (AngularJS)
Angular JSON Schema Form – Angular directive for making forms out of JSON Schema. (AngularJS)
AlpacaJS – Generates JSON Schema driven forms on top of Bootstrap, jQuery Mobile, jQuery UI and HTML (jQuery)

JSON Schema Tools

prmd – Tools and doc generation for HTTP APIs.
generate-schema – Effortlessly convert your JSON Object to JSON Schema, Mongoose Schema, or a Generic template for quick documentation / upstart.
Docson – Documentation for your types.
Orderly JSON – A textual format for describing JSON compiled into JSONSchema.
jsonschema2pojo – Generates Java types and annotates those types for data-binding with Jackson 1.x or 2.x, Gson, etc.
Matic – Build tool for generating HTML documentation.
JSON Schema + Faker – Fake your schemas.
DLL.js – Gets you a JSON Schema from PostgreSQL or SQLite3.
JSONSchema.net – JSON Schema generator from JSON object.
js-schema – A new way of describing object schemas in JavaScript. It has a clean and simple syntax, and it is capable of serializing to/from the popular JSON Schema format.
aptos – A tool for validating data using JSON Schema and converting JSON Schema documents into different data-interchange formats.
JSON Schema $Ref Parser – Parse, resolve, and dereference JSON Schema $ref pointers

JSON Schema Resources

Understanding JSON Schema – A website aiming to provide more accessible documentation for JSON schema.
JSON Schema Store – A collection of popular schemas.
Using JSON Schema – a Book and GitHub project, showing how JSON Schema can be used for a variety of tasks and in different programming contexts.

JSON Schema Validators

Javascript and Node.js

json-schema-benchmark – Performance benchmark for Node.js validators.
is-my-json-valid – A validator that uses code generation to be extremely fast.
jsen – A validator built for speed.
themis – A blazing fast validator.
jsck – JSON Schema Compiled checK.
z-schema – validator written in JavaScript for NodeJS and Browsers.
jjv – Javascript Library for Schema Validation.
request-validator – Flexible request validator middleware for express and connect.
tv4 – Tiny Validator.
ajv – The fastest validator. Supports v5/6 proposals.

Java and Kotlin

Medeia Validator – Compliant (draft-04/06/07) and fast streaming validator written in Kotlin