My project[1] will have discussion boards in groups at some point. But not exactly "broadcast", it's more like Facebook groups that you join and do things in.

My project[1] will have discussion boards in groups at some point. But not exactly "broadcast", it's more like Facebook groups that you join and do things in. [1] https://github.com/grishka/Smithereen https://github.com/grishka/Smithereen