1)   TaskSwitchXP Pro 2.09
TaskSwitchXP is an advanced replacement for the standard Windows Alt-Tab dialog with previews and powerful task management capabilities.

 2)   InstantNavigator for OneNote 0.7.1
InstantNavigator is a productivity plug-in that enhances OneNote with an instant "quick-as-you-type" search capability. Just press the hotkey to open the search box anywhere in Windows and find a note as you type in the first letters of the keyword.