SVG-edit is a lightweight, web-based, Javascript-driven SVG editor that works in any modern browser:
http://code.google.com/p/svg-edit/

Sortie de la version 2.4 :
http://linuxfr.org/2010/01/12/26343.html

Demo en ligne : http://svg-edit.googlecode.com/svn/branches/2.4/editor/svg-editor.html