The Product Management guide - A book on how to create and ship products that people love
Cydia - An alternative app store for jailbroken devices.
Intercom on Product Management - The ultimate resource for aspiring product managers
AppRecs - AppRecs sorts through reviews in the App Store and automatically helps you filter out inauthentic results.
Xobin - Most Comprehesive Pre-Employment skills testing and Psychometric Assessment Platform.
Fnd - Browse Apple App Store and iTunes on the Web