Cybersky-TV is a free software application for sharing television signals using a P2PTV (Peer-To-Peer Television) technology. The software was released in 2005. In year 2012, the service is discontinued.
It allows users with a broadbandinternet connection to share the TV channels they are able to receive. TV channels can be shared irrespective of the means of reception, be it by cable, terrestrial or by satellite, be it analog or digital, as long as there's a way of getting the signal to your PC. You can watch incoming channels in almost real time. There will be a constant delay of about 5 to 10 seconds.