Thank you for your suggestion!
I believe Oxt is a great tool for historical data analysis, but I'm not able to find any realtime/live data visualizations there, which is the common ground between all the projects listed here.
Please correct me if I missed something.
Ooops... My bad ! 
I believe Oxt is a great tool for historical data analysis, but I'm not able to find any realtime/live data visualizations there, which is the common ground between all the projects listed here.
Please correct me if I missed something.
I was focused on 'visualization' appearing in the title but I totally missed the fact that realtime/live data was another criteria.
You're 100% right. OXT processes the blocks with a delay of a few hours. So, it's
Anyway, thanks for the list. It allowed me to discover fun visualizations of the blockchain !