Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.
License: Open Source
Skype is a versatile communication tool that excels in video and voice calls, making it suitable for both personal and professional use. In contrast, Mumble is an open-source VoIP application optimized for low-latency voice communication, particularly popular among gamers for its customizable settings and server hosting capabilities.