coyim : Secure orientated xmpp client written in go. ( https://github.com/twstrike/coyim )
franz-bin : Franz is a free messaging app / former Emperor of Austria and combines chat and messaging services into one application. He currently supports Slack, WhatsApp, WeChat, HipChat, Facebook Messenger, Telegram, Google Hangouts, GroupMe, Skype and many more. ( http://meetfranz.com/ )
scudcloud : A Linux client for Slack ( https://github.com/${MY_AUTHOR}/scudcloud )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a das-labor
For Paludis use this rsync : rsync://gentoo.zugaina.org/das-labor-portage
If you have a problem : ycarus(-at-)zugaina.org