Sit up straight:

Reminds you to sit up straight with pop-up notifications at specified time intervals.

PostureMinder can also be used as a walk reminder: Set how often you'd like to see a walk reminder.

Settings:

You can customize the app with options to add walk reminders and set how often you'd like to see a walk reminder.

You can also turn on or off the smart hide feature.

If your computer is locked, notifications will restart when you are active again.

You can customize the app with options to add reminders that are only seen when your computer is active.