Open Source JSON Software - Page 15
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JSLT
JSON query and transformation language
JSLT is a complete query and transformation language for JSON. The language design is inspired by jq, XPath, and XQuery. -
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JSON Form
Build forms from JSON Schema, easily template-able
The JSON Form library is a JavaScript client-side library that takes a structured data model defined using JSON Schema as input and returns a Bootstrap 3-friendly HTML form that matches the schema. The generated HTML form includes client-side validation logic that provides direct inline feedback to the user upon form submission (provided a JSON Schema validator is available). If values are valid, the JSON Form library uses submitted values to create the JavaScript data structure that matches the data model. The layout of the generated HTML form may be entirely fine-tuned through a simple declarative mechanism. If you're more of the acting type than of the reading type, the JSON Form Playground is a simple JSON Form editor that lets you try out and extend all the examples in the doc. -
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JSON Parser
JSON Parser written in C that outputs JSON into D-List list objects
JSON parser is a highly efficient JSON data decoder written in C, that parses JSON data into a form that is very easy to use from within C code. You only need to include the json-parser.h file in your source code. If your project does not already incorporate D-List, you will also need to include dlist.h The JSON parser package also includes a JSON validator that does not parse or create resources, but allows the caller to validate JSON data from unknown sources, prior to any parsing attempts. The JSON data is returned to the caller as a set of hierarchical D-List list objects, that make the data very easy to manage, sort, search or use, and easy to remove when done. Package includes a JSON textural generator which will create JSON grammar data blocks from hierarchical D-List representations of JSON data. The package also includes a variety of support functions to allow C code to easily find, add, and modify JSON values and members in D-List hierarchical structures. -
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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. -
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JSON framework
Micro framework for easily parsing JSON in Swift
Micro framework for easily parsing JSON in Swift with rich error messages in less than 100 lines of code. -
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JSON2YOLO
Convert JSON annotations into YOLO format.
Explore our state-of-the-art AI architecture to train and deploy your highly accurate AI models like a pro. This directory contains label import/export software developed by Ultralytics LLC, and is freely available for redistribution under the GPL-3.0 license. Ultralytics is a U.S.-based particle physics and AI startup with over 6 years of expertise supporting government, academic, and business clients. We offer a wide range of vision AI services, spanning from simple expert advice up to the delivery of fully customized, end-to-end production solutions. -
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JSONAPI
jsonapi.org style payload serializer and deserializer
jsonapi provides helpers and reference code for working with the JSON:API specification, focusing on predictable serialization, deserialization, and linkage of related resources. It enforces the spec’s conventions—data, attributes, relationships, included—so clients and servers exchange data in a consistent, cacheable way. By centralizing how resource identifiers, links, and pagination metadata are emitted, it reduces subtle incompatibilities between services. The library favors explicit schemas and type-safe bindings where possible, which helps large teams avoid drift in field names and relationship structures. It also offers utilities for sparse fieldsets and compound documents, minimizing payload size while keeping related entities synchronized. With consistent error objects and status mapping, it makes API error handling uniform across clients. -
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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. -
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JSONVue
Fork of JSONView for Chromium-based browsers
JSONVue is a Chromium browser extension derived from JSONView for displaying JSON responses in a more readable format. It improves the experience of opening raw JSON in the browser by formatting the data instead of showing unstructured text. The extension is useful for developers, API testers, and anyone who frequently inspects JSON returned by web services. It makes nested objects and arrays easier to scan by applying structured presentation in the browser tab. Because it targets Chromium-based browsers, it fits naturally into Chrome-style web development workflows. JSONVue is best understood as a focused browser utility for making JSON inspection faster and more comfortable. -
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Stand-alone Java library implementing parser/formatter/comparator/validator for JSON/XML-like text formats oriented on JSON-like object model (list,map,scalar + reflection). Library is designed to maximize adaptivity via set of extendable modules.
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JSONjuicer
JSON parser and encoder
A Java open-source library which makes encoding and decoding Java data-structures to and from JSON text easy and intuitive. -
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Jason
A blazing fast JSON parser and generator in pure Elixir
A blazing-fast JSON parser and generator in pure Elixir. The parser and generator are at least twice as fast as other Elixir/Erlang libraries (most notably Poison). The performance is comparable to jiffy, which is implemented in C as a NIF. Jason is usually only twice as slow. Both the parser and generator fully conform to RFC 8259 and ECMA 404 standards. The parser is tested using JSONTestSuite. The package can be installed by adding jason to your list of dependencies in mix.exs. Jason follows the JSON spec more strictly, for example, it does not allow unescaped newline characters in JSON strings - e.g. "\"\n\"" will produce a decoding error. No support for decoding into data structures (the as: option). No built-in encoders for MapSet, Range and Stream. No support for encoding arbitrary structs - explicit implementation of the Jason.Encoder protocol is always required. Different pretty-printing customization options (default pretty: true works the same). -
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Java HTTP REST interface
Base for HTTP-REST Java application
Simplified multithreaded Java HTTP server able to interpret GET/POST requests. Example dummy app included. It uses Apache2 as a proxy for AJAX calls and jQuery code as a client. ------- Requirements: For the Java HTTP server: - J2SE (SDK for compilation) For the exampe web app: - Apache2 with mod_rewrite and mod_proxy Client-side for the web app: - www browser supporting JS with jQuery --- Setup: - run Server.class from Java server files (java Server) in a terminal/console - unpack example app files under/within your apache2 document root file structure - open index.html (with a www browser, from a www server) - observe terminal output -
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Java JsonReader, JsonWriter and Schema
Json Reader and Writer Library with JsonSchema Support
Read and write JSON data from and to files or streams. Validation by JsonSchema (see http://json-schema.org for specifications) -
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Java Object Notation is an extension to the JSON data format suitable for the serialization of Java objects. The intuitive format and the simple yet extensible library allow both humans and computers to read and write complex object graphs.
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JavaScript Object Graph for Java is a library designed to simplify working with JSON objects in Java code.
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JavaScript Thick Client
Create a web browser "Thick Client" using JavaScript.
JavaScript Thick Client (jstc) was created as a way to create web based programs that have to send large amounts of data. This system communicats with an application server via AJAX calls and JSON objects. Jstc encourages separation of the DOM and web form data by storing that data in the jstc.dataObject and viewing that object from a jstc.form. Jstc also has many pre-made validation and utility functions to shorten the web development process. -
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Allowed browser to have live communication without designing a complicated database structure and yet provides flexibilities to the needs.
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Jigy Generator Windows
The best way to generate a Spring Java Web Application. It just works!
The Jigy Generator is the simplest way to build and code a Java web application with a Spring Framework by using a project creation wizard and now it's been made even simpler by downloading a very small HTML file (337 bytes) and filling out a few form fields and let it construct your project with ease! The resulting project will be a Java web application with a Spring Framework configured to run in Eclipse or Netbeans. The project is annotation-based and provides dependency injection of project resources and simple annotation-based transaction management. Your created project will be already configured to connect to your project's database and to return JSON responses when required. Also the login and file upload modules will be fully functional immediately upon project creation. We promise once you've Jigy Generated a project, you will never want to start from scratch again! http://getjigy.com -
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Jingo
This package provides the ability to encode golang structs
This package provides the ability to encode Golang structs to a buffer as JSON. Buffer is a simple custom buffer type that complies with io.Writer. Its main benefit is that it has a pooling built-in. This goes a long way to helping make jingo fast by reducing its allocations and ensuring good write speeds. When you create an instance of an encoder it recursively generates an instruction set that defines how to iteratively encode your structs. This gives it the ability to provide a clear API but with the same benefits as a build-time optimized encoder. It's almost exclusively able to do all types of assertions and reflection activity during the compile, then makes ample use of the unsafe package during the instruction-set execution (the Marshal call) to make reading and writing very fast. -
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The JotScale project is a cluster of servers implementing a highly scalable object storage system combined with a high performance http server and a subscription system. Jotscale now depends upon Mojasi (same trunk). Pure Java. Source only.
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JsQuery
JsQuery – json query language with GIN indexing support
JsQuery is a language to query jsonb data type, introduced in PostgreSQL release 9.4. It's primary goal is to provide an additional functionality to jsonb (currently missing in PostgreSQL), such as a simple and effective way to search in nested objects and arrays, and more comparison operators with indexes support. We hope, that jsquery will be eventually a part of PostgreSQL. JsQuery is realized as an extension and is not available in the default PostgreSQL installation. It is available from GitHub under the same license as PostgreSQL and supports PostgreSQL 9.4+. -
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Json Parser in Standard C
JSON parser in standard C
This JSON parser was created for the project of C++ Workflow. -
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Json schema validator in php. It is a PHP class that validates a json data structure against a schema definition. It is a simple class that returns an object containing the result and errors that happened.