is skype known as a website or a software?

3 answers

http://www.techf5.com/1252/update-skype-software-to-latest-version
skype is an internet based communication system (voice, text, video) that interfaces with internet, cellphones, and video systems.
The name stands both for the website
(www.skype.com) and the communications software as described in bobpursley's response.