Website Grader - Grade your website's strengths and weaknesses in seconds.
Bugsee - See video, network & logs leading up to bugs or crashes
Smaller - Make your websites load faster
Buglife - Seriously awesome bug reporting for iOS apps
Treo - Treo is the page speed monitoring tool that helps your customers from obtaining a faster web experience.
Kuoll - E-commerce monitoring solution to prevent an online store from losses.