CommFort is multifunctional client-server software providing all types of network communication: chatting in channels message exchange audio and video chats with the support of conferences file and folder exchange. CommFort has an easy-to-use comfortable and user-friendly interface. CommFort is equally good both for small networks consisting of several or several dozen users and for large networks connecting thousands of computers. It has an administration system with different rights assigned to different users automatic bad language filters and flood protection. CommFort uses network resources as effectively as possible: file exchange as well as audio and videochats are carried out directly between clients bypassing the server. It is possible to work via NAT while terminal clients are supported. All text information is transferred in Unicode encoding which makes it possible to use various written languages. This also solves any problems related to incorrect encodings and system language restrictions. CommFort allows users to not only make audio and video calls but also organize video conferences supporting up to 32 participants. Optimization for broadband networks makes it possible to achieve the highest quality of video and audio with minimum time delays. For corporate users it is possible to log the entire correspondence on the server side.