Build your own GSuite add-ons

Suggestion for Talented Programmer:

Could someone please build and make available a free GSuite add-on that would allow communication among GSuite members, and the general public if Google doesn't add this to "Currents" (still in beta as of this post) for all platforms, mobile & desktop? (I don't know what I'm talking about, if this could be integrated with GSuite, etc., but hope you do.)

Even if you are unable to fulfill this lofty mission, you may have other fun with this: