Ecamm Live is a macOS application that offers extensive control over live streaming to various platforms, such as Facebook Live, YouTube Live, Amazon Live, Twitter Live, LinkedIn Live, Twitch, and Restream.io. It allows users to stream to up to 10 destinations simultaneously, record streams, schedule broadcasts, conduct live video interviews, and add overlays like text and images. The application supports external video sources, screen sharing, pre-recorded video files, music, green screen capabilities, picture-in-picture video, and preset Scenes for easy switching. Users can also practice or pre-record presentations without broadcasting, enhancing live streaming experiences on macOS devices.