Jos de Jong

a blog about programming and web development

Projects

This page gives an overview on the projects I’m working on. These include projects I work on at work as well as in my spare time.

math.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser and offers an integrated solution to work with real and complex numbers, units, and matrices. Powerful and easy to use.

Website: http://mathjs.org

math.js

Math Notepad

Math Notepad is a web based editor for mathematical calculations. It supports real and complex numbers, matrices, units, and comes with a lot of built-in functions. One can plot interactive graphs and define custom variables and functions. Expressions are entered in an editable sheet, which automatically updates results when changing an expression.

Math Notepad is the successor of SpeQ Mathematics, which had a similar goal.

Website: http://mathnotepad.com

Math Notepad

JSON Editor Online

JSON Editor Online is a tool to view, edit, and format JSON. It shows your data in an editable treeview and in a code editor. The tree editor allows you to edit, add, move, remove, and duplicate fields and values, and easily change the type of values. In the code editor, JSON data can be formatted, compacted, and inspected.

Website: http://jsoneditoronline.org

JSON Editor Online

tttimestamps

tttimestamps converts timestamps, ISO strings, dates, and more. You can enter any date-like input in the main input field. Entered inputs appear in an editable table displaying various time formats side by side. The table columns and timezones are configurable.

Website: https://tttimestamps.com

tttimestamps

vis.js

Vis.js is a dynamic, browser based visualization library. The library is designed to be easy to use, to handle large amounts of dynamic data, and to enable manipulation of the data. The library consists of the components DataSet, Timeline, and Graph. Vis.js is developed by Almende B.V.

Website: http://visjs.org

vis.js

Eve

Eve is a multipurpose, web based agent platform. Eve envisions to be an open and dynamic environment where agents can live and act anywhere: in the cloud, on smartphones, on desktops, in browsers, robots, home automation devices, and others. Eve tries to mimic human society: the way people interact and work together. Eve is developed by Almende B.V.

Website: http://eve.almende.com

Eve

VBI

VBI is an interactive business intelligence tool aimed at startups and small companies who want to get a grip on their business model and financials. It starts with filling out a rough business canvas model, and from there helps you refine into a concrete financial model describing profit and loss, balance sheet, and cashflow.

Website: http://vanpaz-business-intelligence.herokuapp.com/

VBI