Internet Relay Chat IRC

https://en.wikipedia.org/wiki/Internet_Relay_Chat

http://techrights.org/o/2021/11/20/internet-relay-chat-end-of-2021/
http://techrights.org/n/2023/12/27/IRC_Proceedings_Tuesday_December_26_2023.shtml

http://techrights.org/n/2023/12/27/Links_27_12_2023_DragonFlyBSD_Mirror_in_Nanjing_China_New_Bount.shtml

https://en.wikipedia.org/wiki/DragonFly_BSD
https://www.linux-magazine.com/Issues/2017/198/Revisit-IRC

ByteDance's Volcano Engine to Open Source Multimedia Processing Framework
https://www.cncf.io/blog/2023/04/13/volcano-engine-distributed-image-acceleration-practice-based-on-dragonfly/

https://www.dal.net/?page=Application%20Guidelines
The DALnet IRC Network

UnrealIRCd - highly advanced IRCd with a strong focus on modularity - LinuxLinks
https://www.linuxlinks.com/unrealircd-highly-advanced-ircd/

https://www.undernet.org/

https://www.linuxlinks.com/best-free-open-source-irc-servers/
https://www.wikihow.tech/Automatically-Join-an-IRC-Channel-in-Pidgin
https://sourceforge.net/directory/irc-clients/windows/

Message Queuing Telemetry Transport  chat relay Rich Communication Services Constrained Application Protocol  Server project
https://getstream.io/blog/messaging-protocols/
https://arena.im/post/most-popular-instant-messaging-chat-protocols
http://chi.cs.uchicago.edu/chirc/irc.html
https://www.startertutorials.com/blog/extensible-messaging-and-presence-protocol.html
https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt
https://en.wikipedia.org/wiki/MQTT

MQTT AMQP CoAP  XMPP SOAP UPnP Message Queuing chat relay Communication Services Constrained Application Protocol  Server project
https://www.securityspace.com/smysecure/daudit_ports.html

https://meta-guide.com/dialog-systems/chatbots/jabber-xmpp-chatbots