http://googledesktop.blogspot.com/2006/02/new-version-new-plug-ins-new-samples.html

With the release of Google Desktop 3 Beta, our plug-in collection grew a little larger:

* MSN Messenger Sidebar Plug-in by Otron - Get quick access to your Messenger contacts.

* eBay Watcher by Google - Never miss an eBay auction.

* Tic Tac Toe by Google - Play a game of Tic Tac Toe against the computer or a friend.

* GoogleVideo Indexer by Google - Index and search Google Video .GVI files

* ResearchAccelerator by Michael S. Scherotter - Integrate Google Desktop results into Mind Manager.

* Tarchiver by Jonathan Speiser - Index the file names contained within TAR files.

* IPS Website Counter by Michel Blanc - Monitor the traffic of multiple websites.

Additionally the SDK contains new and updated sample code to assist plug-in developers in using the latest APIs:

* GoogleVideo indexing sample

* Query API sample

* ImFeelingLucky Event API sample

* TicTacToe Communication API sample