WICA Extensions is a series of .NET Custom Controls designed for handling some routine items to add into Umbraco including:
Banner Ad / Content Rotation
Contact Form with Integrated Back-End Mailing List Component
Membership Controls for providing various layers of membership functionalities
Meta Tag management for search engine optimization (SEO)
Configurable navigation component
Completely skinnable using CSS
Preliminary release of source code is scheduled for July 1, 2009. In the meantime, there is a live front-end demo available at the site above. Please send bug reports through the contact form on the site or email chris.larson (at) wicatech (dot) com.
Sorry the code is a couple days late, but it has finally been uploaded!