userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
A Guide to Marketplaces - Everything you need to know about building a marketplace
Instabug for Product Managers - Collect and understand user feedback
Terminalyst.com - Terminalyst.com is the first of its kind job board for geeks, enabling them to search for their dream remote, visa-sponsored or 4-day week jobs all in one place, through their favourite user interface.
Upvoty - User feedback in 1 simple overview 🔥
Cohort - Find the people you need through the people you already know