tyson記事本

http://www.ghostsecurity.com/index.php?page=ghostwall

100% FREE and CLEAN Software!
No spyware, adware or junkware
GhostWall is a firewall which allows you to restrict the communications between your computer and others. Unlike other firewalls which have forgotten their main role, GhostWall is simply a firewall mainly designed to replace the standard Microsoft firewall with better features and performance.
GhostWall works on Windows XP,XP-64 [...]

http://en.wikipedia.org/wiki/List_of_Google_services_and_tools
哇, Google 的東西真多