Rainmeter is a customizable performance meter, which can display the CPU load, memory utilization, disk space, network traffic, time and many more things.
Features:
- Freeform skins
- Supports Windows transparency
- Plugin system for 3rd party support
- Anti-aliased drawing routines
- Works also as Litestep plugin
- Has ability to hide on mouse over
- Can stick to the desktop (i.e. doesnt hide with Show Desktop)
- Skins can react to mouse events
- Multiple skins can be ran at the same time
- Can be controlled from 3rd party applications with !bangs
Rainmeter can measure:
- CPU load
- Allocated Memory
- Network Traffic
- Performance data
- Uptime
- Free disk space
- ...and plenty of other stuff
6.34 M (file size) 
