DUSK - Anonymous live video
Platypus - Realtime server monitoring and reporting
Periscope on Twitter for iOS - Stream live video inside your tweets
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Live Video On Tumblr - Tumblr's answer to Periscope, Facebook Live and Twitch
Nagios - Complete monitoring and alerting for servers, switches, applications, and services