There are lots of cool free applications available for Windows Mobile (and it's fairly simple to write your own using Visual Studio Express but sometimes you want the convenience and quality of a commercial app but it's nicer when they are free...
Handango is giving away one high quality, fully-functioning mobile software application for FREE on Fridays! The free app is available from 12 a.m. to 11:59 p.m. CST on Friday only and must be downloaded during that time period. In addition, the promotion features other applications at a 25% discount throughout the week. Just visit www.handango.com/FreeAppFriday for details.
All you have to do is complete a short survey. Handango will then send you an email with a link so you can download your free app. They are calling the promotion, "Free App Friday."