PoseAlert - Keep correct posture while sitting
beLEVEL - Posture orientation sensor app
Fix Posture - TensorFlow blurs your screen when your posture needs fixing.
Set Your Intention - Similar to the concept of Activity rings for physical health, Set Your Intention makes it easy to monitor your mental well being.
SitApp - Desktop app to monitor posture and remind you to sit up!
Lumo Lift - You slouch, it vibrates. Sit straighter, stand taller.