activity monitor

Monitor your MacBook's CPU.

Monitor every aspect of your Mac, including CPU, memory, disks and network.

Monitor eBay auctions.

Monitor purchased applications in AppStore.

Monitor web sites & servers for changes or failures.

Monitor the status of Apple File Sharing (AFP) and Remote Login (SSH)

Selectively erase logs, caches, activity, and more.

View all your Dropbox activity, past and present.

It will help you take care of the eBay activity

Display the latest activity on Digg as your screensaver