CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
FonePaw Android Data Recovery - FonePaw Android Data Recovery helps to recover lost photos, contacts, messages, videos, audios and documents from Android phones & tablets.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
MiniTool Power Data Recovery - MiniTool Power Data Recovery is a freemium data recovery tool that works quite well considering the basic version is the only free aspect of the app.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
Dr.Fone Toolkit - dr.fone toolkit has all the tools you need to manage your iOS or Android smartphone.