BrokenRemote.tv
Portal for interactive TV information.

CableLabs
Research and development consortium of cable TV companies for North and South America with initiatives for cable modems and digital cable TV.

Call TV
Offers call-in game shows for television stations.

Digital Television Group
UK-based industry group of companies devoted to standards for DVB and digital television.

Interactive Television Dictionary & Business Index
Comprehensive listing of interactive television definitions, businesses, products and services.

iTV Standards
iTV production standards initiative to enable content providers to write interactive TV content for all major set-top box and PC platforms.

Media Visions Interactive TV Trade Reports
Articles and essays on interactive TV by Ken Freed.

Television and the Web
W3Cs section on specifications for the emerging technology.

The Parents, The Kids, and The Interactive TV
SURPRISE 96 journal report on interactive TV by Keval Pindoria and Gerald Wong.