Great progress is being made on Together - https://github.com/cleverdevil/together - an open source "reader" for the open web, with support for IndieWeb standards like Micropub and Microsub. Check out this quick demo – http://share.cleverdevil.io/JNrG4pVNfY.mp4

@colinwalker I agree! Definitely coming along, and almost exclusively due to the hard work of Grant Richmond - grant.codes