Time Out - Break timer with micro-breaks for Mac OS X.
Stand App - A simple Mac app to make standing a habit.
Breaktime - Break time is an app that reminds you to stand up every chosen amount of time.
StretchMinder - Work break timer with guided movement & breathing exercises
stretchly - break time reminder app
MoveWell - Personalized mobility trainer inside your mobile device. Get stronger, recover faster and MoveWell.