oandbackup - Make backups of selected apps on your device and restore from those backups.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Super Backup & Restore - Super Backup & Restore app allows users to backup all their stuff such as pictures, videos, apps, text messages, contacts, call history, and calendar data, etc.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Tenorshare WhatsApp Transfer - Transfer/Backup/Restore WhatsApp on iPhone/Android with One Click
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.