Easy User Test - Easy User Test is a user testing tool that offers the easiest way to test your text and design.
Theme Forest - The #1 marketplace for premium website templates, including themes for WordPress, Magento, Drupal, Joomla, and more. Create a website, fast.
Useberry - User testing feedback and rich analytics in minutes
ThemeFuse - ThemeFuse is a store that provides high-quality designed WordPress themes to let you stand apart from the crowd.
Peek by UserTesting - Get a free, 5-minute video of someone using your site
ThemeGrill - ThemeGrill is an online marketplace that develops and sells WordPress themes and plugins that you can buy to create professional websites for businesses, magazines, and blogs.