Halo Stats Archiver - Desktop Edition (Adobe AIR)
Halo Stats Archiver: Desktop Edition (HSA: DE) allows you to download and archive all of your Halo Stats, from Halo 2 to Halo: Reach (Console versions only), everything from Screenshots to who killed who and where (via game images).

Code Bank (Adobe AIR)

Code Bank is a code snippit manager with support for a local database as well as a shared database (serverside application required). Code Bank also has syntax highlighting for multiple languges including C++, ActionScript, Flex, HTML and SQL to name a few. Code Bank also has a simple revision history with a compare viewer so you can see the changes side-by-side between two revisions.

Steam Friends (Adobe AIR)

Steam Friends is a simple desktop client for viewing and managing Steam Friends without being signed into the Steam Client.

Live Friends (Adobe AIR)

Live Friends is a simple desktop client for viewing, messaging and managing Xbox Live/Games for Windows Live friends on the desktop, since its built using Adobe AIR it's available on Mac, Linux and of course Windows unlike games for windows.