NDI ScanConverter Lite broadcasts your Mac's desktop over IP Video using the NDI protocol.

You can receive the stream on your NDI equipped vision mixer, for example NewTek TriCaster with NDI support.

The NDI stream is very high quality, Selectable as 1280x720, 1920x1080 full HD or scaled to the window size, and runs at full frame rate for smooth display.

Also Supports Retina Display Macs.

A more sophisticated version, NDI ScanConverter also exists, for users requiring more control over screen selection, streaming of windows of specific apps, support for audio and more.