ProgDVB and ProgTV are 2 independent user interfaces which can work together from one folder at one list of channels, settings etc. ProgTV is aimed at use with remote control(HTPC). ProgDVB contains more functions but is intended for use by a mouse. Thus it is very convenient to use both interfaces.
ProgDVB Network Edition is small size and a cheaper version for Internet TV, IPTV, Torrent TV, OTT,... Without DVB devices supporting.