Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
Mokkup - Create Stunning Dashboard Mocks in Minutes!
DevTest - Test management solution for efficient quality assurance
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
Beta Testing - Beta Testing is an all-in-one feature-rich technical testing solution created to help small to large size businesses test and enhance their products through insights.
MockFlow - A super easy wireframing tool with all the other tools you need in the product design process