There's OStatus and ActivityStreams, which are implemented by Diaspora and GNU Social along with several other decentralized networks. Hell, OStatus is even an

There's OStatus and ActivityStreams, which are implemented by Diaspora and GNU Social along with several other decentralized networks. Hell, OStatus is even an (extremely vague, actually horrible but whatever) W3C spec. edit: Ok, I was kinda wrong. Apparently it's just a community hub hosted on w3 and not officially affiliated. https://www.w3.org/community/ostatus/ https://www.w3.org/community/ostatus/ http://activitystrea.ms/ http://activitystrea.ms/