CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Padbury Clock Screensaver - Minimal screensaver for Mac
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Clock.saver - A simple clock screensaver based on Braun watches ⌚
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
iScreensaver - iScreensaver is a multi-featured software that uses Image, Live Photo, Video, Movie, and 3D Model files to create screensavers for Windows and Macintosh.