Voicegram by Sayspring - Record and share conversations with Alexa from the browser
Netflix Party - Netflix Party is an extension for watching Netflix remotely with friends and family for movies nights with that long-distance special someone.
Otter - Remember, search, and share your voice conversations
&chill - Watch YouTube & Twitch videos with people online
Chhirp - A mic button for Twitter
Scener - A virtual movie theater to watch content with your friends