SumoPaint : Powerful graphics editor for your web browser and pc
google-mobwrite : MobWrite converts forms and web applications into collaborative environments. Create a simple single-user system, add one line of JavaScript, and inst...
Maqetta : Maqetta is an open source project that provides WYSIWYG visual authoring of HTML5 user interfaces. The Maqetta application itself is authored in HTML,...
Anime.js : Anime.js is a fast, multipurpose and lightweight JavaScript animation library with a simple, yet powerful API.
It works with CSS properties, SVG, DOM ...
Selectivizr : CSS3 pseudo-class and attribute selectors for IE 6-8