How can I create groups of google hangouts and rabbit similar to free4talk?

How can I create groups of google hangouts and rabbit similar to free4talk?
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#1

hello I want to create my community to speak in real time someone knows that technology is more advisable to use node.js, vuejs , react native, angular, redux

I want to create something similar but talk about other topics of conversation.

example:

http://www.free4talk.com/

Thank you.