Update: 21-09-16

Pomo

@A0T93QM7D-pomo

Pomo is a bot for all the Pomodoro Technique lovers who use Slack.
It's cool and simple. For now tracks your work/rest sessions. You can also ask Pomo about the remaining time and to drop the current session.
Planing to add a few more features - sessions statistics, notes and the ability to customize the duration of the work/rest session.