Works great - very useful
Titanium Backup - Titanium Backup is a very old backup app that has been around since the early days of Android. In fact, it's one of the few apps that covers all versions from 1. Read more about Titanium Backup.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
oandbackup - Make backups of selected apps on your device and restore from those backups.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
PhoneDog Phone Transfer - Transfer data from iPhone, Android, iOS, and Computer to Anywhere without any loss with FoneDog Phone Transfer. Such as photos, messages, contacts, music, etc.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode