Free system service software for windows

Have you ever faced a situation where you have waited for a program to complete and had the feeling the program may have crashed? Wouldnt it be nice if you could always see if your CPU is really working? Well, you could have the task manager window in front, but how about a program that doesnt waste valuable screen space? CPUUsage System Service is a free tool that displays the cpu load as a tray icon image. Its very easy to use and utilizes minimal resources.

System Information is an easy-to-use highly featured application that works as an Advanced Windows NT Process Viewer.
Through this application you can retrieve information on every process and window including but not limited to process specific/global memory utilization,
Other functionality includes enumerating a specific processes window threads, retrieving process information based upon a specific window object and comprehensive system information including Port Resources, Services, System Devices, Disk partitions, Media Drives, Disk Drives, Floppy Controllers, IDE Controllers, Keyboards, Mother Board Devices, Network Adapters, Plug-n-play, POTS Modems, Printers, Sound Devices, Logical Disks, Parallel Ports, Serial Ports, USB Controllers, USB Hubs, Desktop Monitors, Video Controllers, System Drivers, Time Zone Info, NT User Accounts, Processors, Basic Input Out System, Boot Configs, Logical Memory Configs, Operating Systems, Processes(Advanced), Environmental Variables, DMA Channels, IRQ Resources, Device Memory Addresses.
Choose from 16 Tabs:
Processor, BIOS, Boot Config, Sytem Devices, Logical Memory Config, Operating System, Processes, Environment, DMA Channel, IRQ, Device Memory Address, Port Resources, Services, System Drivers, Time Zone, User Accounts.