Got a microphone?

I remember trying out some accessibility software a couple of decades back that let you move the cursor and click on things with voice commands. I dunno if there’s an open-source alternative, but Dragon Naturally Speaking is still around and still has that feature: https://www.nuance.com/products/help/dragon/dragon-for-pc/enx/professionalgroup/main/Content/CommandandControl/using_your_mouse.htm