Works great - very useful
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Mediamodifier - Create beautiful designs and product mockups in seconds.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
mockDrop - Is a webapp for creating free device mockups including your screenshots.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode