Some useful and frequently updated calendars connected to ICT4D and development assistence in general:

White African – African Tech Events: covers conferences and general events focusing on technology in Africa, most of them take place in Africa

ICTlogy – Events: covers conferences and workshops connected to ICT4D worldwide

OneWorld – Termine: cultural events, parties, gatherings, conferences, exhibitions, meetings… in Austria related to foreign countries and cultural exchange in general

Global Knowledge Partnership – ICT4D Events Calendar: conferences, institutional gatherings and summits on ICT4D in a broader sense (telecom, microfinance, environment) world wide