The full list of Koda's hotkeys available in one place.
Ctrl+N - New form
Ctrl+O - Open existing form
Ctrl+Q - Close active form
Ctrl+S - Save active form
Ctrl+Shift+S - Save active form with another name
Ctrl+Alt+S - Save all forms within designer
Alt+F4 - Exit
Shift+Arrows - Resize seleced control by one pixel
Ctrl+Arrows - Move seleced control by one pixel
F2 - Enter edit mode of selected tree item text
Alt+← - Move selected tab page back
Alt+→ - Move selected tab page forward