CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
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.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
Udev Discover - A helping tool for udev testers, coders, hackers and consumers.