The PM Interview - Practice PM Interview Questions (w/ timer).
Xobin - Most Comprehesive Pre-Employment skills testing and Psychometric Assessment Platform.
Pramp for Product Managers - Practice product management mock interviews with other PMs
After Interview - Get feedback from job interviews to improve
Myskillwall - The best tool to prepare your job interview
Interviews on Skype - Test candidates using a real-time code editor over Skype