Intercom on Product Management - The ultimate resource for aspiring product managers
ithinki - A simple user feedback tool for start-ups
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
Herald - Bridge the gap between customer problems and product teams
FeedBear - The smartest way to manage feedback from your customers
Software Product Management Stack - Resources & tools to help you manage your software product