Facebook Live Video and Collages - Show your friends what you’re seeing in real time
Periscope on Twitter for iOS - Stream live video inside your tweets
DUSK - Anonymous live video
GetVokl - Create your own live-video streaming channel.
Live Video On Tumblr - Tumblr's answer to Periscope, Facebook Live and Twitch
Klasmic Shoutout - Real time display of users' comments on live Facebook videos