Scalable Vector Graphics

a pre-prototype of TiddlyWiki5, which will eventually become a modernised non-linear inter-personal web notebook. Right now this is not in a remotely usable state, it's here to help us build and improve it.

An Open Source vector graphics editor, with capabilities similar to Illustrator, CorelDraw, or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format.
Inkscape supports many advanced SVG features (markers, clones, alpha blending, etc.) and great care is taken in designing a streamlined interface. It is very easy to edit nodes, perform complex path operations, trace bitmaps and much more.

Raphaël is a small JavaScript library that should simplify your work with vector graphics on the web.

Thematic mapping library for Google Maps. Follow @cartograherjs for updates and new releases. This is an early stage release. While reasonably stable, you can expect that future versions will contain functionality and API changes.

An open source Flash™ runtime written in pure JavaScript with SVG