Available additional hardware - CESNET/UltraGrid GitHub Wiki

General Information

Signal Conversion

I've found also the following interesting hardware:

Regarding HD-SDI to DVI conversion, there is interesting blog at HD for Indies.

HD Capture Cards

Other HD capture cards available and possibly useful:

However, these cards are usually intended for editing and thus not optimized for latency. Mike Wellings reported interesting results about card latencies. Other cards possibly supported in Linux are listed at http://www.lmahd.com/cinelerra.html.

Display Devices