Slack - A messaging app for teams who see through the Earth!
I Am Sober - I Am Sober is an app which comes with the different module, and it is one of the most celebrity application used in America.
Mattermost - Mattermost is an open source alternative to Slack.
Sobriety Tracker Clock - Sobriety Tracker Clock is a well-known clean and sober day counter app.
Quip Chat Rooms - Real-time chat with your team
NACC - NACC is a cross-platform application which gives you a timer like an interface that provides different modules for calculating the sobriety of the user.