Quikwriting
Quikwriting is significantly faster and less stressful to use than Graffiti, and lets you write very quickly without ever picking your stylus up off the surface, although it has the disadvantage that you need to learn a special alphabet.

Transcriber
Microsoft Transcriber is an award winning application that uses proprietary Transcriber technology to bring you unprecedented recognition accuracy and ease of use to your Pocket PC. Transcriber lets you take down a phone number, take notes and more, just as easily and naturally as writing on a piece of paper. Transcriber recognizes all handwriting, be it cursive, printed or a combination of both.