This is a repackaged open source software product wherein additional charges apply for support.
Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor full stack framework. It is a great solution for communities and companies wanting to privately host their own chat service or for developers looking forward to build and evolve their own chat platforms
There is a client apps available on most platforms including web-interface
Product is designed to communicate teams of all sizes, with the goal of reducing an organization's reliance on email and instant messaging applications
It will allow to control your data without getting depend on external companies and services