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 ...
SPOF-O-Matic : Chrome extension for detecting and simulating frontend Single Points Of Failure. Detects likely third-party single points of failure as you browse and...
WebScarab : WebScarab is a framework for analysing applications that communicate using the HTTP and HTTPS protocols.
Litmus : Test and track your emails. Email previews, analytics and spam filter testing.
Catches mail and serves it through a dream.
MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface.