Franz is a free messaging app which currently supports Slack, WhatsApp, WeChat, HipChat, Facebook Messenger, Telegram, Google Hangouts, GroupMe, Skype and many more.  Download is available for Mac, Windows, and Linux.
Tag: Google Hangouts
Exclusive: Inside Hangouts, Google’s big fix for its messaging mess
Exclusive: Inside Hangouts, Google’s big fix for its messaging mess
How Google built its new messaging platform for Gmail, Android, iOS, and Chrome… and what took so long