https://www.rocket.chat/blog/welcoming-end-of-life-hipchat-customers-to-rocket-chat
Rocket.Chat is a secure, open source and fully customizable Cloud or Self-Managed Atlassian HipChat and Slack-alternative that brings all team communication...
end of liferocket chatwelcominghipchatcustomers
https://fileforum.com/detail/HipChat-for-Mac-OS-X/1386108519/2
Chat with individuals and groups with persistant chat rooms and fire sharing
mac os xhipchat