AgileZen is a project mainly written in C#, it's free.
Demoprosjekt for BEKK-workshop på MonoTouch og MonoDroid
AgileZen apps for mobile devices running iOS, Android and WP7
iAgileZen is a iOS app based on the MonoTouch framework. You will need the following tools/framework to develop:
A Mac running OSX Snow Leopard 10.6.6 or greater Mono v.2.10.1 MonoTouch 4 (Eval version works) MonoDevelop v.2.6 or greater XCode 3.2.6 or greater iOS SDK 4.3 or greater
TBA
TBA