Igor "Igogo" Bushin
Free Windows gadget to monitor each core's usage and temperature separately.
Monitors CPU, GPU, and hard disk drives and provides visual alerts.
Gathers information on some of the main devices of your system.
A small program that shows you the CPU, Memory, Disk and Network utilization.
Softinventive Lab Inc.
Monitor your local network and individual computers.
CPU Thermometer is one free CPU temperature monitor.
Binary Fortress Software
Manage multi-monitor setup with separate taskbars and settings for each monitor.
GigaByte Technology, Co. Ltd.
It can adjust and monitor your CPU usage and fan noise according to your needs.
EIZO NANAO CORPORATION
Handy partitioning function for widescreen monitor and multi-monitor environment.
Dark Screen is multi monitor aware, and can be used on the main monitor.
PowerStrip provides advanced, multi-monitor, programmable hardware support.
UltraMon is a free utility for multi-monitor systems.
Actual Window Manager brings additional features to a multi-monitor setup.
Multi Monitor Window Organizer, Wallpaper Manager and Screen Saver.
An easy to use, multi-monitor capable desktop wallpaper changer.
PowerViewer on a machine supporting multi-monitor configuration.