cache monitor

ISP Monitor can check your bandwidth usage and also display your bandwidth stats

Emsa Bandwidth Monitor - Net speed monitoring utility for Windows. Freeware.

Real-time monitoring and statistics for Apache HTTP server.

Graphical statistics and monitoring for HTTP web Apache servers

Protect important information.

Thunderbird extension to save remote images in html emails locally.

track down the last time the Googlebot accessed and scanned through your site

Monitors and alerts administrator of hard disk SMART attributes and bad sectors.

Free hosts monitoring tool to track connections and notify on lost/restore

Displays real time information about all network adapters. Freeware!