Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
Xenu's Link Sleuth - Xenus Link Sleuth checks Web sites for broken links.
Adobe Analytics - Adobe Analytics is an industry-leading solution that empowers you to understand your customers as people and steer your business with customer intelligence.
Scrutiny - Scrutiny for Mac helps you manage and improve any number of websites. Link check, search, full website spell check, XML sitemap generator, SEO audit
Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.
LinkChecker - LinkChecker is a free, GPL licensed website validator.