Jos de Jong

An extensive math library for JavaScript and Node.js

Math.js is a math library for JavaScript and Node.js that adds big numbers, complex numbers, fractions, units, matrices, an expression parser, and symbolic computation including derivatives.

A web-based tool to view, edit, format, and validate JSON

JSON Editor is a JavaScript library that adds an interactive visual editor for JSON data to any web page, with four view modes including one designed for files up to 500 MB.

Repair invalid JSON documents

Offload tasks to a pool of workers on node.js and in the browser

A web-based tool to view, edit, format, repair, query, transform, and validate JSON

Parse JSON without risk of losing numeric information

A small and fast CSV parser with support for nested JSON

Flexible data validation using a ducktype interface. For JavaScript and Node.js.

Runtime type-checking for JavaScript functions

Just the expression parser of mathjs

Immutable JSON patch with support for reverting operations

Easily perform HTTP requests in Java

Extend hammer.js with event propagation

Render React components like a Modal outside the main React app

A small demonstration showing the power of CouchDB and AngularJS

Render tables with hundred thousands of rows in a webpage

Reconnecting WebSocket for node.js and the browser

JSON document database running on Google Datastore

A framework to run Node.js applications in a distributed way

Vector based drawing in your browser

Personal blog

A JSON parser and validator with a CLI.

A mathjs editor in CodeMirror

Get aggregated annotations from a class, its interfaces, and its superclasses

A little proof-of-concept for organizing mathjs by module inclusion, avoiding factory functions.

A realtime communication framework for Node.js.

Website of speqmath.com

The fastest JSON Schema Validator. Supports draft-04/06/07/2019-09

An experiment applying the concept of hooks to React class components

A big number library

Modern, Simple and beautiful Hugo theme

No description.

An interactive business intellligence tool

A debug tooling experiment

A simple calculator built with react-native, powered by math.js

Svelte Select. A select component for Svelte

No description.

A plain JavaScript Mandelbrot explorer

The next generation of the CodeMirror in-browser editor

Minimum example of webpack 4 not being able to do treeshaking

DMA AisLib - Java library for handling AIS messages

Reason bindings for ReactJS

Cybernetically enhanced web apps

Awesome SVG icon component for Svelte JS, built with Font Awesome icons. Based on Justineo/vue-awesome

Website for jsonpatch.com, with general info about JSONPatch

No description.

A small, modern, dependency-free smooth scrolling library.

timeblocks extension for vis.js

A rational number library

Repository for the W3C "Math on the Web" Community Group

PEG.js: Parser generator for JavaScript

No description.

Minimal example of wrong failed counts in the Vitest VS Code plugin

JSON formatter that produces highly readable but fairly compact output.

an alternative to `Object.freeze` that creates a read-only version of an object

No description.

:zap: Fast 3kb React alternative with the same ES6 API. Components & Virtual DOM.

React popup component

LZ-based compression algorithm for JavaScript

Invoices, expenses & time-tracking built with Laravel

Time synchronization between peers

Time control for simulations

JSON Schema website

No description.

Fantastic Micro-Frameworks and Micro-Libraries for Fun and Profit!

An arbitrary-precision Decimal type for JavaScript

The PubNub Network makes Real-time easy with a Simple Communications API. Two Functions: Send/Receive (Publish/Subscribe). We provide a web-service API for businesses to build scalable Data Push communication apps on Mobile, Tablet and Web. Bidirectional JSON. @PubNub - IRC #pubnub @ freenode.net

Bundle modules with BrowserifyJS

Builder for creating distributable JavaScript files from source. Concatenate, wrap, uglify.

Functions for making jake a little nicer

📔 browserify compatible version of the ace editor.