Cuely - 1-min guided exercises to stay well all day with reminders
Slackbot Workout - A slackbot to get your team in shape
Plum Village - Free mindfulness app w/ Zen Buddhist meditations + teachings
Human for Slack - Take your office fitness competition to the next level
stndup - Reminds you to take a break from work once in a while
Core: Easy Workout - Home workout app for lazy people