For now, I am building out a simple set of experiments. Initially, I needed a convenient way to monitor project feeds from different places, so I've used the Channel Sources feature to create syndicated bot channels for the federated projects I want to watch.
This requires some adjustment and fine-tuning, but you can subscribe to it through Diaspora, Friendica, GNU Social, Mastodon, Socialhome, Hubzilla, or anywhere that can use #OStatus, #ActivityPub, #Diaspora Protocol, or #Zot.