Elgato is a German based vendor of DVB devices that are targeted towards Mac OS-X users. Their OS-X based software is quite well-designed, maybe it's worth a look as source of inspiration for other DVB application developers and GUI designers.
|DVB-T FireWire Box
|DVB-T FireWire Box with Common Interface
|DVB-S FireWire Box
|DVB-S FireWire Box with Common Interface
|DVB-T USB Box with analog Tuner and video converter
|DVB-T USB 2.0
|EyeTV DTT deluxe
|extra small DVB-T USB 2.0
|EyeTV DTT deluxe v2
|extremly small DVB-T USB 2.0
|EyeTV diversity (Hauppauge_WinTV-NOVA-TD clone)
|dual tuner DVB-T USB 2.0
|EyeTV hybrid 2008
|DVB-T, DVB-C, and analog USB 2.0
|EyeTV hybrid 2014
|DVB-T and DVB-C USB 2.0
|EyeTV Hybrid US
|Existing as Version 1 and Version 2, with different chips which requires different drivers
Elgato also makes capture cards with an emphasis on gaming.
|Elgato Game Capture HD
|USB Capture card that can capture from Component, Composite, and unencrypted HDMI sources.
|Elgato Game Capture HD60
|USB Capture card that can capture unencrypted HDMI sources, including 1080p60.