Awesome JSON

A curated list of awesome JSON libraries and resources.

Inspired by the awesome list.

Awesome JSON

Applications

Dadroit JSON Viewer - Very fast JSON Viewer, supporting huge (multi gigabytes) files, JSON log (JSON-Lines and ndjson).

OS X

Visual JSON - simple JSON pretty-viewer for Mac OS X. (inactive)
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.
JSON BinPack - Space-efficient binary JSON serialization format based on JSON Schema.

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 Finder (github) - Browse like you do it in Finder.
JSON Viewer Pro (github - An open source Chrome extension for browsing JSON with syntax highlighting and folding, or as a visual graph.
Discoverable JSON (github) - Gron inspired Extension. Convert a JSON document into javascript expressions. Comes with filter, remove, find-and-replace capabilities.

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

dsq - Tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.
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.
- jaq - A jq clone focussed on correctness, speed, and simplicity. Written in Rust.
- gojq - Pure Go implementation of jq. A bit faster and more portable.
livejq - An alternative jq implementation in rust for continuous parsing without crashing on invalid JSON
json - A "json" command for massaging JSON on your Unix command line.
json-search - A small tool to search for objects/values in json files.
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.
jc - Converts the output of many CLI tools, file-types, and common strings into JSON
logdy - jq, tail, less, grep and awk merged together and available in a clean web UI.

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.
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.
JSON Crack - Display your JSON as a graph

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.
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<sub>ack</sub>SON: JSON secret keeper - JSONic way of storing secrets in config file.
Sequence JSON - A proposal for a standard way of creating music sequence data in JSON.

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)
@textea/json-viewer - A React component for JSON viewer. (React)
ngx-formly - JSON powered / Dynamic forms for Angular

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.
json-build - A minimalistic serializer in C. It can be easily integrated into the resource-limited projects or embedded systems.
ojc - A fast JSON parser.

C++