 It seeks to distinguish itself from both authoritarian and vanguardist Bolshevism/Leninism and reformist Fabianism/social democracy.A form and socialist wing of left-libertarianism, past and present political philosophies and movements commonly described as libertarian socialist include anarchism (especially anarchist schools of thought such as anarcho-communism, anarcho-syndicalism collectivist anarchism, green anarchism, individualist anarchism, mutualism and social anarchism) as well as Communalism, guild socialism, libertarian Marxism (especially autonomism, council communism, left communism and Luxemburgism), participism, revolutionary syndicalism and some versions of utopian socialism.Libertarian socialism is a Western philosophy with diverse interpretations, although some general commonalities can be found in its many incarnations.