WebAsk - Learn to read the minds of your customers, co-workers and followers with this fully-customizable and light-weight toolkit for collecting and processing user feedback.
Intercom on Product Management - The ultimate resource for aspiring product managers
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
Fibery - Work management platform that adapts to companies and grows with them.
ithinki - A simple user feedback tool for start-ups
Software Product Management Stack - Resources & tools to help you manage your software product