My recollection is that Gab made a plugin for browsers called Dissenter that did something like this, but they were banned from the Mozilla and Chrome stores un

My recollection is that Gab made a plugin for browsers called Dissenter that did something like this, but they were banned from the Mozilla and Chrome stores under their moderation/censorship policies. I’ve never used it but I think it created a discussion on top of any URL. They ended up making a browser fork of Chrome but it probably went nowhere.