I made a slouching detector a while back. It calibrated the distance of your face from your laptop and if you start leaning in it’ll give you a notification to

I made a slouching detector a while back. It calibrated the distance of your face from your laptop and if you start leaning in it’ll give you a notification to sit back. It’s a bit dated but still works on Chrome and FF, I believe: https://slouchcam.com https://slouchcam.com