I did not know, but interesting question. Google turned up a Reddit link, which went to this program: https://dreamsavior.net/download/

You have to scroll down a bit, download the Public version, he says the password is Dreamsavior

Maybe I will try it out later, if you try it let us know how it goes!

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Which Matrix channels? I made an account on matrix.org before but didn't see any channels that interested me.