Blackmagic Design
Four SDI channels for a laptop, each one in or out, by way of an OWC Thunderbolt box with the card already in it.
The computer needs Blackmagic's Desktop Video drivers installed. They're free, but install them before the show rather than during it.
BirdDog
Takes an NDI source off the network and puts it on a screen over HDMI, with no computer at either end.
Blackmagic Design
Eight SDI channels on one Thunderbolt cable, for multi-camera recording or playout from a laptop.
Blackmagic Design
Clean SDI and HDMI out of a laptop, for playback and edit software that knows what to do with it.
Blackmagic Design
The other direction: SDI or HDMI into a laptop over Thunderbolt, for recording, streaming or a video call that has to look like telly.
