mxgraph is another open source, pure JavaScript, client-side library for creating interactive diagrams that renders to SVG and HTML and it’s free! The authors explain: mxGraph supports IE 11 ...

QElectroTech is an open source tool for drawing these types of diagrams. It consists of two tools: an element editor for creating schematic symbols and a diagram editor for creating your drawings.

We've advocated that Microsoft open source the core parts of (what was then known as) Internet Explorer. Community-driven development is the norm in the browser and JavaScript community ...