On TAPoR: http://tapor.ca/tools/1294
Skype allows free voice and video computer-to-computer calls, and calls to phone numbers for a fee. Video is only available for person-to-person calls, but multiple users can join a voice call. Skype can be used for free by educators in the classroom: http://www.educatorstechnology.com/2012/06/complete-guide-to-use-of-skyp…
Users on CUNY Academic Commons
Explore more tools from TAPoR on the Digital Tools Directory.