MailCatch.com
GNOME Discourse
Youtube-dl · GitHub
IRCv3
Libera Chat
Udemy-downloader-gui · GitHub
Popcorn-desktop
CommonMark Discussion
HEY.com
YT5s.com
Element-web · Vector-im
The Lounge
Smuxi
KiwiIRC
Nettalk
HydraIRC · GitHub
IRCCloud
XChat
KVIrc.net
Irssi
mIRC: Internet Relay Chat client
Pidgin
Quassel IRC
Konversation
Synapse Documentation - Matrix.org
AdiIRC
WeeChat
HexChat
Synapse: Matrix
GNOME / fractal