Libertarian Communism - Isaac Puente's classic introduction to anarchist ideas on a free society by the noted C.N.T. militant and activist who was shot by the fascists in 1936. - http://flag.blackened.net/liberty/libcom.html
Endpage Text Archive - Archive consisting of libertarian Marxist, autonomist, anarchist, communist, situationist and other left anti-authoritarian materials. - http://www.endpage.org/
Socialist-Libertarian Political System - Renders socialist outcomes by applying libertarian (procedural) principles of ethics. - http://www.efn.org/~bsharvy/ecolibparty.html
Libertarian Book Club - Books and reviews. - http://flag.blackened.net/agony/forum.html
A People's Libertarian Index - A starting point for libertarian socialists to find out about theory, philosophy, and organizing. - http://flag.blackened.net/liberty/