JustBroadcaster for YouTube allows you to live stream from your Mac. Just insert the video sources into the prepared templates and start stream. Easy logo and background setup. The application supports built-in, USB, DV, HDMI cameras. Simple capturing of the screen and application windows. Cursor capture is supported. You can broadcast iOS games and applications by simply connecting them through Ligthing cable. You can make a local recording of the video stream with HD quality (1280x720, H264/AAC, mov).
Feature for YouTube -- We have created a fairly simple interface for you to publish your stream on YouTube. Just press a couple of buttons and your stream will be on YouTube.
Note: Free 21-day trial, then available to use with a $20 one-year license or $39.99 for a lifetime license.