Create symmetric sprites: browse, save to PC, or store online
HTML5 editor, free and open-source website builder based on Silex
Free online HTML website builder
Create and edit SVG graphics directly in ownCloud. Based on svg-edit.
IDE for creating interactive Flash and HTML5 content
OBSOLETE; try http://drawpile.net/ instead!
The X3DV Module Suite is a free set of Netbeans modules to code in X3D