I don't know if anyone asked for it, since I don't feel like re-reading every page again, and you can't search for "IRC", since it's only three letters long, but I made an IRC Client for the Wii U. It can be added to the list in the OP.
https://gbatemp.net/threads/release-lameircu.460609/
https://gbatemp.net/threads/release-lameircu.460609/