GPU-Z - GPU-Z is a lightweight system utility designed to provide vital information about your video card...
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
CPU-Z - CPU-Z is a freeware that gathers information on some of the main devices of your system : Processor name and number, codename, process, package, cache levels.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
Better Uptime - We call you when your website goes down