DUSK - Anonymous live video
MemberVault - MemberVault is a flexible platform that helps you to create, deliver, and sell your services, courses, memberships, subscriptions, etc.
Periscope on Twitter for iOS - Stream live video inside your tweets
Opentute - Opentute helps businesses to effortlessly launch a private eLearning and communication platform to engage teams and clients.
Live Video On Tumblr - Tumblr's answer to Periscope, Facebook Live and Twitch
Ruzuku - Ridiculously easy online courses