Crime Software has released a freeware called Glass2k that will allow Windows 2000/XP users to make any/every window transparent/semi-transparent
The latest version remembers each window's transparency settings, allows you to keep any window on top, loads on Windows startup, beeps when glassify'ng a window, supports mouse and keyboard shortcuts, and allows you to customize these shortcuts. Read the Glass2k page for more details.Download
Please Note: Glass2k works only on Windows 2000 and XP. It will NOT work on Windows 3.1, 95, 98 and ME.