Conky is a system monitor that can display just about anything, either on your root desktop or in its own window. Conky has many built-in objects, as well as the ability to execute external programs or scripts (either external or through built-in Lua support).

This package should be a good compromise for most users that do not need special features. It includes the following support:

X11, XDamage, XDBE, Xft, MPD, MOC, math, hddtemp, portmon, wireless, ncurses, apcupsd, I/O stats, argb and Lua.