No extensions, no javascript, no java. Renders in any application that supports just XSLT 1.0 & SVG 1.1 (including most web browsers).
Auto color generation
When fill is omitted, colors are generated to maximize separation.
Tiny Footprint
Under 5KB when Gzipped. Most modern browsers decompress and transform automatically. Perfect for embedded devices with limited resources as the browser transforms the data.
Configurable
Colors, gradients, text sizes/fonts all changable, with ability to add custom svg content.