howdoi : Instant coding answers via the command line.
Litmus : Test and track your emails. Email previews, analytics and spam filter testing.
gopass : gopass is a simple but powerful CLI password manager for your terminal with teams in mind.
code-forensics : code-forensics is a toolset for analysing codebases stored in a version control system. It leverages the repository logs, or version history data, to ...
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.