Agendus, a popular personal information manager long available for platforms like the Palm OS and Windows Mobile, is now at the iTunes App Store for the iPhone and iPod touch. According to iambic, the developer of the application, Agendus ( $7.99, available here) enhances and extends the built-in iPhone Contacts App while introducing its own comprehensive Task management function.

Version 1.0 includes a Today View, a Task List View, a Compact and Expanded Contact Views, and facilities such as Contact Linking, One Tap Dial/Email, quick item deletion, task categories, colors, grouping and filtering, over-the-air services such as integrated weather forecasts, and much more. 

The developer says a number of new features are already being implemented and will soon be available in the upcoming version 1.01 of Agendus. It says the topmost priority is the addition of calendaring capabilities.