PhantomJS : PhantomJS is a headless WebKit with JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas...
SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
TagUI : TagUI is a general purpose tool for automating web interactions
sqlmap : sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of databa...
mail-tester.com : Free online service that allows you to test your emails for Spam, Malformed Content and Mail Server Configuration problems
Test and track your emails. Email previews, analytics and spam filter testing.