Internally, it uses a custom protocol, which allows me to tweak it easily for my needs. The one I'm keeping my eye on is OStatus, and that's definitely the bigg

Internally, it uses a custom protocol, which allows me to tweak it easily for my needs. The one I'm keeping my eye on is OStatus, and that's definitely the biggest possibility for what I'd switch to. Although I like XMPP in theory, the requirement of running an XMPP server conflicts with Appleseed's requirement of being able to run on a vanilla shared host with no root access.