GreenDice

GreenDice is a simple Chroma Keyed dice rolling program that you composite into your webcam, so it appears with your face when you roll dice.

This app is perfect for playing  TTRPG games ANYWHERE, with no convoluted, non-immersive VTT to set up.

If you want to replicate the feeling of in person TTRPG games online, looking face to face over video, with this app overlay allowing quick dice rolls whenever you need them.