Open trackers irc.opentrackers.org Digital irc irc.digitalirc.org Corrupt net irc.corrupt-net.org
There is no official 1337x subreddit or discord group. Go to the 1337x official chat room (link on the front page of 1337x.to) and ask about a discord group or sub reddit and they will tell you its fake.
1337x uses Torrent trader https://github.com/MicrosoulV3/TorrentTrader-v3 https://sourceforge.net/projects/torrenttrader/
So after a little more research it seems indeed as mentioned in another comment Nords browser extension uses socks5. I was looking for something i could use with Mullvad as i'm trying to move away from Nord. This seems to be exactly what I was looking for https://mullvad.net/en/download/browser/extension
Terminator
Deezmix-gui works perfect. You can set it up in next to no time for free with a bit of googling
sorry for the late reply, its the base code 1337x is created from
protonmail.com account with https://github.com/vladimiry/ElectronMail client