Stickies Scanner will read in your list of friends, and periodically check to see whether they have their computer on, or whether they're running Stickies. The blue blob means computer on, the yellow one means running Stickies, and the red Circle means the machine could not be contacted.
Features:
Friends can be listed by on/off-line status, or alphabetically
Optional title bar
Optionally always-on-top
Minutes Between checks can be set
Custom sound made when a friend logs on or off
Friends stay bold for ten seconds after their status has changed
Entries can be either a Stickies friend, or a manual host name/IP address
Window can be resized .