BlueScreenView is a fantastic, free, portable application that allows you to easily view minidump files that are created when Windows stops and displays a "blue screen of death".
SpeedFan allows you to the monitor the temperature and fan speeds of various components of your computer. This allows you to fine-tune the temperature of your components by creating custom settings that increase the fan speed when a particular temperature is reached.
Speccy is a tool that provides detailed information about the hardware components and operating system of the computer it is run on. This information is extremely valuable when you want to upgrade existing hardware, find out what specific hardware is installed on your computer, and whether or not your current hardware matches the system requirements for a software you are installing.
Getservices.zip contains a batch file and the swsc program from Bobbi Flekman that is used to create a list of services installed on your machine for trouble-shooting purposes. You can then use the information in the report to determine if your services are running properly or if there are services that could potentially be malware related.
DDS is a program that will scan your computer and create logs that can be used to display various startup, configuration, and file information from your computer. This program is used in our security forum to provide a detailed overview of what programs are automatically starting when you start Windows. The program will also display information about the computer that will allow us to quickly ascertain whether or not malware may be running on your computer.