Borosilicate glass is resistant to thermal shock. It can be used as glassware (e.g. beakers) in laboratories and cookware in kitchens.
Boric acid can be used as an insecticide and antiseptic that is non-toxic to humans.
Borax (sodium tetraborate) is a natural detergent.
Boron nitride (cubic form) has a hardness only slightly smaller than diamond. It is commonly used as an abrasive.