AutoCAD WS
http://www.autocadws.com/mobile
Autodesk released AutoCAD WS for iOS devices (iPod touch, iPhone, and iPad). The free app allows you to “view, edit, and share your AutoCAD drawings on the go.”;
19 Aug
Vector Magic
Converts bitmap images to vector images. Upload a bitmap and immediately receive results in EPS. SVG, PDF, and PNG formats.
19 Aug
Pixlr
Pixlr is a free online image editor. Kindof like Photoshop, but free and online..