ICTlogy

http://measuring-ict.unctad.org

Richest site. Just G.R.E.A.T.

The Measuring-ICT Website is both an online source of information on indicators, methodologies and statistics related to the information society and a forum that allows practitioners from all countries – developed as well as developing - to engage in discussions on e-measurement related topics and to further develop conceptual and methodological work.

Promoted by the UNCTAD