Luka
Miku
Gumi
IA
VFlower
Teto
76 Votes in Poll
Teto is actually an UTAOLOID, that's a different software that is free! Sadly, Miku is not on UTAOLOID's software but there's plenty of UTAOLOIDS on there to choose from. ( I don't own either but I know about the software)
76 Votes in Poll
Fukase and VFlower are so amazing
This is the video I always show to people confused about vocaloid on discord