Anarcho-syndicalism (also referred to as revolutionary syndicalism) is a theory of anarchism that views revolutionary industrial unionism or syndicalism as a method for workers in capitalist society to gain control of an economy and with that control influence in broader society.
Collectivist anarchism (also known as anarcho-collectivism) is a revolutionary anarchist doctrine that advocates the abolition of both the state and private ownership of the means of production as it instead envisions the means of production being owned collectively and controlled and managed by the producers themselves.
Egoist anarchism is a school of anarchist thought that originated in the philosophy of Max Stirner, a 19th century existentialist philosopher whose "name appears with familiar regularity in historically orientated surveys of anarchist thought as one of the earliest and best known exponents of individualist anarchism".
Individualist anarchism was one of the three categories of anarchism in Russia, along with the more prominent anarchist communism and anarcho-syndicalism. The ranks of the Russian individualist anarchists were predominantly drawn from the intelligentsia and the working class.