Jubilee Group - - A loose international network of socialist Christians, mostly within the Catholic tradition. Articles, publications, events and contact information.
La Revolucion - - A site of multimedia information and links.
Red Future - - News about the Left. Information on Marx, Engels, Lenin, Trotsky, and Guevara.
Red Piranha - - Repository of information about the history, leadership and current politics of left-wing parties and movements around the world.
The Socialism Organization - - Essays and news archives from China's People's Daily, chatroom and links about socialism "with Chinese characteristics." Sponsored by the Wyith Corporation of Hong Kong.
Wikipedia: Socialism - - Definition and discussion of the subject from the online encyclopedia, Wikipedia.