Chrome //
Extensions 
Chrome
Web store 
Blocklive: Scratch Realtime Collaboration
Multiple Scratchers Work together in Real Time on a Single Project
Realtime Subscriber Count
The 'Subscriber Count' app allows you to view your YouTube subscriber amount in real-time!
It is very easy to use, just open the…
Realtime Content Insights Chrome Extension
The RCI Chrome Extension allows you to understand how your readers are interacting with your content, in realtime.
Realtime Google Analytics Count in Tab
See the number of realtime users on your site in the tab of the realtime google analytics overview page.