#Mastodon app comparison spreadsheet, which misses #pleorma (which, to my knowledge, implements the protocol faithfully and thus is as much of a mastodon app as the mastodon reference UI):

https://docs.google.com/spreadsheets/d/1De5KRwqMIdwEryfoeBLARgxF7QgKkeOQBCilKuIdAXE/htmlview?pru=AAABhXQ1n8w*JnMqvjnA-KryhQ__D5eatQ#gid=0

via @garry