You'll find plenty of keyboard-shortcut launchers floating around for Mac OS X, but Quicksilver's stylish interface, small footprint, and many customization options set it ahead of the pack.
You activate this open-source program via a user-assignable hot key that spawns a small text field for entering abbreviations to locate applications, documents, or anything else. This latest version fixes crucial bugs introduced in the previous version.
Also this week, we have an update for Evernote, the app that lets you create and get to your notes from a variety of mobile devices (including the iPhone and iPad) and any Web browser on any computer. Our game this week is Motorbike, the casual bike-skills game with several graphical improvements in this version on the Mac.
Don't forget to check out the latest iOS app collection: Thanksgiving cooking apps for iOS.