WhatsApp, ChatHub, Chatroulette, FaceTime, Jitsi Meet, Skype, Whereby, Trillian, Zulip, Empathy, Streamup, Procaster, Chat Buddy, Venice Random Chat, VideoEncounter, VirBELA, Omeglit.com, stranger.live, Bambuser, Seeyanow.com are some alternatives to Mixsii.