This list includes anything that does maps, tokens, and dice rolling together.
For singular tools check out DM tools database
Tag List: The Big Bois - The ones you hear about most often with the most players. This is a subjective tag
Full VTT - Any VTT that has character sheets, targeting, functional lighting, fog of war, and automatic damage/heal/effect to targets.
VTT - Any program that can show maps with tokens, distance measurements, dice, and chat online.
In-Person VTT - Any program that can show maps with tokens, distance measurements but has no online settings.