http://www.scriblink.com/ （需開 java）
http://www.fiito.com/ （中文介面）
http://picti.co/chrome/
http://pixlr.com/editor/
http://www.zefrank.com/scribbler/scribblertoo/
http://www.dabbleboard.com/draw
http://chinesedigger.blogspot.com/2010/04/drawing.html
Google Docs -- Drawing