NDI Outlet is now shipping for macOS.
http://www.sienna-tv.com/ndi/ndi-outlet.htmlNDI Outlet uses a BlackMagic Design video interface to output NDI signals as SDI / HDMI
Where supported by the device and the NDI stream - Fill and Key are output on separate SDI connections.
Special low-introductory price for a limited period.
https://itunes.apple.com/us/app/ndi-outlet/id1112006624?ls=1&mt=12