UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
In Cohorts We Trust - A straightforward template to build cohorts for marketplaces
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
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.