SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
Browserling : Live interactive cross-browser testing
modern.IE : Set of tools for testing with older or newer IE browsers
MailHog : MailHog is an email testing tool for developers:
Configure your application to use MailHog for SMTP delivery
View messages in the web UI, or retrieve ...
* { CSS:resetr } : To help you find the perfect CSS-reset styles, CSSresetr lets you try all the best CSS Resets on a variety of web pages – even your own.
Test and track your emails. Email previews, analytics and spam filter testing.
