disk activity indicator downloads
DiskLED
1.1.1 downloadDiskLED is a flexible hard disk and general system activity indicator system tray applet. What do you do when ... simplest commands? You probably look at its hard disk LED to determine if the disk is busy, ...
MenuMeters for Mac OS X
2.0.8 downloadMenuMeters is a set of CPU, memory, disk, and network monitoring tools for Mac OS X. ... to have a single click away. The Disk Activity Meter displays disk activity to local disks ...