Litmus : Test and track your emails. Email previews, analytics and spam filter testing.
WTF : WTF is a personal information dashboard for your terminal, developed for those who spend most of their day in the command line.
It allows you to monit...
howdoi : Instant coding answers via the command line.
docopt : Command-line interface description language
grunt : Grunt is a task-based command line build tool for JavaScript projects
tmpmail is a command line utility written in POSIX sh that allows you to create a temporary email address and receive emails to the temporary email address. It uses 1secmail's API to receive emails.