Screenbeacon - Screenbeacon is a modern take on website uptime monitoring and analysis.
Maze Templates - A library of pre-made user tests and surveys
Ghost Inspector - Easily create automated browser tests for your websites and web apps. Ensure everything works and looks the way it should. No coding required. 14 day free trial!
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!
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.