Cisdem iPhoneCleaner - Safe iPhone cleaner to clean iPhone, iPad, iPod touch junks to free up space and backup iPhone Mac.
The Product Management guide - A book on how to create and ship products that people love
PhoneClean - PhoneClean is the best and even free iPhone cleaner software for all your iPhone cleaning, maintaining and privacy protecting needs. It brings you the new iPhone, iPad experience that you will appreciate every day.
Product School - The global leader in product management training
CleanMyPhone - iPhone Cleaner is designed to free up storage space on iOS devices by removing junk files and Documents & Data, other data etc.
Product Management Exercises - A repository of product manager job interview exercises