Franz is described as 'free messaging app / former Emperor of Austria and combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp, WeChat, HipChat and many more. You can download Franz for Mac, Windows & Linux' and is a well-known app in the Social & Communications category. There are more than 50 alternatives to Franz for a variety of platforms, including Mac, Windows, Linux, Android and Online / Web-based. The best alternative is Rambox, which is both free and Open Source. Other great apps like Franz are Ferdi (Free, Open Source), Ripcord (Free Personal), Empathy (Free, Open Source) and Hamsket (Free, Open Source).
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All of your private messages (Email, Facebook, Twitter, Instagram etc.) through a single login. A single timeline, a unified contact list and simplified searches to manage all your private messages. Unified message management