Console Framework
Console framework is cross-platform toolkit that allows to develop TUI applications using C# and based on WPF-like concepts.
A lot of controls available
For example: Grid, ScrollViewer, ListBox, ComboBox, TreeView
WPF-compatible layout system
Simple and flexible layout system with panels and end-controls. You can use standard components or easily write custom one.
cmdradio
It is cross-platform application based on https://cmdradio.codeplex.com project. It demonstrates how easily simple functionality can be wrapped into console UI.