MailClark - The Slack bot for external communications

IconViewer - Bot Productions's IconViewer utility allows you to view, copy, and save the icons in a file through its property sheet.

iDoneThis - iDoneThis The fun, easy way to get stuff done. Every day we’ll email your team to ask, “What’d you get done today?” Just reply to our email. The next day, everyone gets an email with the team's accomplishments

IconsExtract - Extract icons and cursors stored in EXE, DLL, OCX, CPL files

PigeonBot - Send emails via Slack with the /email command

MailerSend - Better transactional emails for teams.