Vivus is a lightweight JavaScript class (with no dependencies) that allows you to animate SVGs, giving them the appearence of being drawn. There are a variety of different animations available, as well as the option to create a custom script to draw your SVG in whatever way you like.

This extinct animals icons project is but a salute to all the conservation efforts of so many people and conservation organizations, from our line of work; this may not bring back the animals gone extinct in recent years, but hopefully will inspire people.

"Compatibility tables for features in HTML5, CSS3, SVG and other upcoming web technologies."

"Raphaël is a small JavaScript library that should simplify your work with vector graphics on the web. If you want to create your own specific chart or image crop and rotate widget, for example, you can achieve it simply and easily with this library."