JavaScript JSON Software

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Browse free open source JavaScript JSON Software and projects below. Use the toggles on the left to filter open source JavaScript JSON Software by OS, license, language, programming language, and project status.

  • AI-generated apps that pass security review Icon
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  • 1
    JSON Crack

    JSON Crack

    Innovative and open-source visualization application

    JSON Crack is a free, open-source data visualization app capable of visualizing data formats such as JSON, YAML, XML, CSV and more, into interactive graphs. With its intuitive and user-friendly interface, JSON Crack makes it easy to explore, analyze, and understand even the most complex data structures. Whether you're a developer working on a large-scale project or a data enthusiast looking to uncover hidden insights, JSON Crack has the tools and features you need to unlock the full potential of your data.
    Downloads: 9 This Week
    Last Update:
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  • 2
    JSON Server

    JSON Server

    Get a full fake REST API with zero coding

    Get a full fake REST API with zero coding in less than 30 seconds (seriously). Created with <3 for front-end developers who need a quick back-end for prototyping and mocking. If you need to add authentication, validation, or any behavior, you can use the project as a module in combination with other Express middleware. You can deploy JSON Server. For example, JSONPlaceholder is an online fake API powered by JSON Server and running on Heroku. If you make POST, PUT, PATCH or DELETE requests, changes will be automatically and safely saved to db.json using lowdb. You can use JSON Server to serve your HTML, JS and CSS, simply create a ./public directory or use --static to set a different static files directory. There are many ways to set up SSL in development. One simple way is to use hotel.
    Downloads: 8 This Week
    Last Update:
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  • 3
    JSON5

    JSON5

    JSON5 — JSON for Humans

    JSON5 is an extension to the popular JSON file format that aims to be easier to write and maintain by hand (e.g. for config files). It is not intended to be used for machine-to-machine communication. JSON5 was started in 2012, and as of 2022, now gets >65M downloads/week, ranks in the top 0.1% of the most depended-upon packages on npm, and has been adopted by major projects like Chromium, Next.js, Babel, Retool, WebStorm, and more. It's also natively supported on Apple platforms like MacOS and iOS. Formally, the JSON5 Data Interchange Format is a superset of JSON (so valid JSON files will always be valid JSON5 files) that expands its syntax to include some productions from ECMAScript 5.1 (ES5). It's also a subset of ES5, so valid JSON5 files will always be valid ES5. This JavaScript library is a reference implementation for JSON5 parsing and serialization and is directly used in many of the popular projects mentioned above.
    Downloads: 2 This Week
    Last Update:
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  • 4
    5e-database

    5e-database

    Database for the D&D 5th Edition API

    Just a simple API for things within the Official 5th Edition SRD and is easily accessible through a modern RESTful API.
    Downloads: 1 This Week
    Last Update:
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  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

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  • 5
    Cities of the World

    Cities of the World

    Cities of the world in Json, based on GeoNames Gazetteer

    Cities of the world in Json, based on GeoNames Gazetteer.
    Downloads: 1 This Week
    Last Update:
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  • 6
    Himalaya

    Himalaya

    JavaScript HTML to JSON Parser

    Parse HTML into JSON. Himalaya bundles well with Browersify and Webpack. Himalaya transforms HTML into JSON, that's it. Himalaya is synchronous and does not require any complicated callbacks. Himalaya does not cut corners and returns an accurate representation of the HTML supplied. To remove whitespace, post-process the JSON; check out an example script. Himalaya can include the start and end positions of nodes in the parse output. To enable this, you can pass parse the parseDefaults extended with includePositions: true. Himalaya provides a stringify method. The following example parses the HTML to JSON then parses the JSON back into HTML.
    Downloads: 1 This Week
    Last Update:
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  • 7
    JSON Splora

    JSON Splora

    GUI app for editing, visualizing, and manipulating JSON data

    JSON-Splora is a GUI for editing, visualizing, and manipulating JSON data with jq or JavaScript. The editor is a JavaScript editor, and the input is parsed as json5. This allows for comments as well as a relaxed JSON input format. Once the editor has valid JSON, an input window will appear below, allowing you to manipulate the object with JavaScript or jq. A panel will appear to the right with the output, and updates live as the input or filter changes.
    Downloads: 1 This Week
    Last Update:
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  • 8
    JSONPlaceholder

    JSONPlaceholder

    A simple online fake REST API server

    JSONPlaceholder is a free, fake online REST API designed for prototyping, tutorials, and UI demos without standing up a real backend. It provides predictable endpoints for resources like posts, comments, albums, photos, todos, and users with realistic data shapes. Because the data is publicly available and stable, you can build fetch logic, paginate, and render lists while focusing on front-end patterns rather than server plumbing. The API accepts typical HTTP verbs and returns JSON in a consistent format, making it easy to swap with a real server later. It’s widely used in examples, workshops, and automated tests where a dependable dummy service accelerates iteration. With zero setup, it removes a major friction point for learning HTTP clients and front-end data flows.
    Downloads: 1 This Week
    Last Update:
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  • 9
    fast-xml-parser

    fast-xml-parser

    Validate XML, Parse XML and Build XML rapidly

    Validate XML, Parse XML to JS Object, or Build XML from JS Object without C/C++ based libraries and no callback.
    Downloads: 1 This Week
    Last Update:
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
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  • 10
    json-forms

    json-forms

    JSON Schema to HTML form generator, supporting dynamic subschemas

    JSON Schema to HTML form generator, supporting dynamic subschemas (on-the-fly resolution). Extensible and customizable library with zero dependencies. Bootstrap add-ons provided. This library supports dynamic schemas, that is, subschemas that can change depending on the value of other parts of the data. This allows the creation of dynamic forms that vary their shape depending on the values entered by the user. This is extremely useful for big autogenerated schemas, that aggregate lots of subschemas and have functional bindings, given that it allows to show the user a simpler, non-error-prone form, also avoiding asking for unneeded data.
    Downloads: 1 This Week
    Last Update:
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  • 11
    lowdb

    lowdb

    Small local JSON database powered by Lodash

    Small JSON database for Node, Electron and the browser. Powered by Lodash. You can use any of the powerful lodash functions, like _.get and _.find with shorthand syntax. Lowdb is perfect for CLIs, small servers, Electron apps and npm packages in general. It supports Node, the browser and uses lodash API, so it's very simple to learn. Actually, if you know Lodash, you already know how to use lowdb. lowdb doesn't support Cluster and may have issues with very large JSON files (~200MB). A UMD build is also available on unpkg for testing and quick prototyping. Database lodash instance. Use it to add your own utility functions or third-party mixins like underscore-contrib or lodash-id. With lowdb, you get access to the entire lodash API, so there are many ways to query and manipulate data.
    Downloads: 1 This Week
    Last Update:
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  • 12
    quicktype

    quicktype

    Xcode extension to paste JSON as Swift, Objective-C, and more

    Convert JSON into gorgeous, typesafe code in any language. Generate models and serializers from JSON, schema, and GraphQL for working with data quickly & safely in any programming language.
    Downloads: 1 This Week
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  • 13
    Simple Remoting for Web Applications
    Downloads: 3 This Week
    Last Update:
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  • 14
    NeuroJSON

    NeuroJSON

    Scalable, searchable and verifiable neuroimaging data exchange platfor

    Downloads: 3 This Week
    Last Update:
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  • 15
    jul-javascript

    jul-javascript

    JUL - The JavaScript UI Language

    The JavaScript UI Language (JUL) is a configuration and instantiation module for the JavaScript frameworks. It can be used with any framework that accepts a configuration object as a constructor parameter, or with a custom factory for the other frameworks. JUL parses a tree of configuration objects, and creates the runtime components in the expected order and membership. For the most uses, after this step, you will have your application's user interface up and running. Browser support: JUL supports all major browsers, including: FF 2+, IE 7+, Edge, Safari 3+, Chrome 1+, Opera 9+, IOS 3+, Android 2+.
    Downloads: 3 This Week
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  • 16
    ACCESSdb is a JavaScript library used to dynamically connect to and query locally available Microsoft Access database files within Internet Explorer.
    Downloads: 1 This Week
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  • 17
    Classfieds for cars with mootools, php and mysql, totally in ajax.
    Downloads: 1 This Week
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  • 18
    G-Framework Web3.0 ToolKit
    This is the most advanced and complete new generation tool for creating Web applications. You can create your own "Web Applications" once writing very few lines of code and make it simply accessible from anywhere in the world.
    Downloads: 1 This Week
    Last Update:
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  • 19

    corn-converter

    Bidirectional java type converters (JSON, XML, ...)

    Corn Converter module contains bidirectional java type converters to different target types like JSON and XML. It's simple, flexible and powerful enough satisfy serialization, de-serialization requirements including complex bean types and collections.
    Downloads: 1 This Week
    Last Update:
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  • 20
    open-dis

    open-dis

    Open-DIS implements the IEEE DIS protocol in multiple languages.

    An open source implementation of the Distributed Interactive Simulation (IEEE-1278) standard in C++, C-Sharp, Objective-C, Java, Javascript and XML. Example applications including sending and receiving native DIS traffic, X-Plane plugin, and WebSocket/Javascript/WebGL applications. See the individual code directories for each package of interest. This project is inactive and has migrated to a GitHub project at https://github.com/open-dis
    Downloads: 1 This Week
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  • 21
    zoServices

    zoServices

    webservices using JSON RPC 2.0 for PHP and Javascript

    This project helps the creation of web services using JSON RPC 2.0 specification, across multiple programming languages​​. The main point of this is to help developers build Web services in a simple way and focus only on the logistics and programming functionality. zoServices provide the server/client infrastructure to comunicate their services via internet. Please Review our projects.
    Downloads: 1 This Week
    Last Update:
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  • 22
    Aparicio delivers accessible, AJAX-based web user interface (and example JEE/Servlets binding) to render and edit Semantic information. It allows users to easily create RDF data.
    Downloads: 0 This Week
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  • 23

    AjaxToaster

    Servlet framework for creating standalone restful CRUD services

    AjaxToaster is built on XMLToaster and inspired by the "guerrilla SOA" philosphy. You can use it to quickly create RESTful JSON & XML based CRUD services for your web applications by writing short scripts. It is downloadable as a windows installer package for quick no-hassle setup. It runs as a servlet in an app-server. By default it sets itself up to run inside its own standalone (jetty) server. Code contributions most welcome!
    Downloads: 0 This Week
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  • 24

    AppletJAX

    JavaScript API for complex cross-multi-site messaging and management

    Bring multiple Web site's services together into a single application without having to build complex server-side code, proxies and signed applets. Combine HTML5's cross-site messaging and the ease of use of REST into a single powerful API and you have AppletJAX! Based on a simple "listener" or "observer" style interface, AppletJAX takes the hassle of managing who's messaging who, who's listening to who, which message belongs to whom and replaces it all with simplicity and elegance.
    Downloads: 0 This Week
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  • 25
    Asterisk PBX Integration Zimlet is an Extension for Zimbra Collaboration Suite. The Zimlet does Interface with the Asterisk Manager Interface to integrate with Asterisk PBX. The main focus is dial-on-click for Phone numbers inside Contacts and Emails.
    Downloads: 0 This Week
    Last Update:
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