Address to connect to with an IRC client:
ircs://chat.freenode.net/6697/#ubikampus
The Riot.im has a modern interface but requires the creation of an account.
https://riot.im/app/#/room/#freenode_#ubikampus:matrix.org
The freenode webchat has an older interface but does not require an account.
https://webchat.freenode.net/?channels=#ubikampus&uio=d4