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Anarchism is a political philosophy with many heterogeneous and diverse schools of thought, united by a common opposition to compulsory government. Anarchist schools of thought are characterised by "the belief that government is both harmful and unnecessary", but may differ fundamentally, supporting anything from extreme individualism to complete collectivism. The individualist wing of anarchism emphasises negative liberty, i.e. opposition to state or social control over the individual, while those in the collectivist wing emphasise positive liberty to achieve one's potential and argue that humans have needs that society ought to fulfill, "recognizing equality of entitlement". Another distinction is that the social wing advocates market abolitionism and common ownership as a means to eliminate unequal economic power, and individualist anarchism is supportive of means of production being held privately, and in the case of the most prevalent strain of anarcho-individualism, advocates that goods and services be distributed through markets.
Anarchist anthropologist David Graeber has noted that while schools of Marxism always have founders (e.g. Leninism, Maoism, Lacanianism), schools of anarchism "almost invariably emerge from some kind of organizational principle or form of practice", citing anarcho-syndicalism, individualist anarchism and platformism as examples.
William Godwin, in founding philosophical anarchism, developed what many consider the first expression of modern anarchist thought. Godwin was, according to Peter Kropotkin, "the first to formulate the political and economical conceptions of anarchism, even though he did not give that name to the ideas developed in his work." Philosophical anarchism contends that the State lacks moral legitimacy; that there is no individual obligation or duty to obey the State, and conversely, that the State has no right to command individuals, but it does not advocate revolution to eliminate the state. According to The Blackwell Dictionary of Modern Social Thought, philosophical anarchism "is a component especially of individualist anarchism."
Philosophical anarchists may accept the existence of a minimal state as an unfortunate, and usually temporary, "necessary evil" but argue that citizens do not have a moral obligation to obey the state when its laws conflict with individual autonomy. As conceived by Godwin, it requires individuals to act in accordance with their own judgements and to allow every other individual the same liberty; conceived egoistically as by Max Stirner, it implies that "the unique one" who truly "owns himself" recognizes no duties to others; within the limit of his might, he does what is right for him. Godwin opposed revolutionary action and saw a minimal state as a present "necessary evil" that would become increasingly irrelevant and powerless by the gradual spread of knowledge. Godwin advocated extreme individualism, proposing that all cooperation in labor be eliminated. Godwin felt discrimination on any grounds besides ability was intolerable.
Rather than throwing bombs or taking up arms to bring down the state, philosophical anarchists "have worked for a gradual change to free the individual from what they thought were the oppressive laws and social constraints of the modern state and allow all individuals to become self-determining and value-creating." They may oppose the immediate elimination of the state by violent means out of concern that it would be left unsecured against the establishment of a more harmful and oppressive state. This is especially true among those anarchists who consider violence and the state as synonymous, or who consider it counterproductive where public reaction to violence results in increased "law enforcement" efforts.
Mutualism began in 18th century English and French labor movements, then took an anarchist form associated with Pierre-Joseph Proudhon in France and others in the US. This influenced individualist anarchists in the United States such as Benjamin Tucker and William B. Greene. Josiah Warren proposed similar ideas in 1833 after participating in a failed Owenite experiment. In the 1840s and 1850s, Charles A. Dana, and William B. Greene introduced Proudhon's works to the US. Greene adapted Proudhon's mutualism to American conditions and introduced it to Benjamin R. Tucker.
Mutualist anarchism is concerned with reciprocity, free association, voluntary contract, federation, and credit and currency reform. Many mutualists believe a market without government intervention drives prices down to labor-costs, eliminating profit, rent, and interest according to the labor theory of value. Firms would be forced to compete over workers just as workers compete over firms, raising wages. Some see mutualism as between individualist and collectivist anarchism; in What Is Property?, Proudhon develops a concept of "liberty", equivalent to "anarchy", which is the dialectical "synthesis of communism and property." Greene, influenced by Pierre Leroux, sought mutualism in the synthesis of three philosophies – communism, capitalism and socialism. Later individualist anarchists used the term mutualism but retained little emphasis on synthesis, while social anarchists such as the authors of An Anarchist FAQ claim mutualism as a subset of their philosophical tradition.
Individualist anarchism refers to several traditions of thought within the anarchist movement that emphasize the individual and their will over any kinds of external determinants such as groups, society, traditions, and ideological systems. Individualist anarchism is not a single philosophy but refers to a group of individualistic philosophies that sometimes are in conflict.
Egoism was expounded by one of the earliest and best-known proponents of individualist anarchism, Max Stirner. Stirner's The Ego and Its Own, published in 1844, is a founding text of the philosophy. According to Stirner's conception, the only limitation on the rights of the individual is their power to obtain what they desire, without regard for God, state, or moral rules.
To Stirner, rights were spooks in the mind, and he held that society does not exist but "the individuals are its reality" – he supported a concept of property held by force of might rather than moral right. By "property" he is not referring only to things but to other people as well. Stirner advocated self-assertion and foresaw Unions of Egoists, non-systematic associations, which Stirner proposed in as a form of organization in place of the state. A Union is understood as a relation between egoists which is continually renewed by all parties' support through an act of will.. Even murder is permissible "if it is right for me,", though it is claimed by egoist anarchists that egoism will foster genuine and spontaneous union between individuals.
Stirner saw the state as illegitimate but did not see individuals as having a duty to eliminate it nor does he recommend that they try to eliminate it; rather, he advocates that they disregard the state when it conflicts with their autonomous choices and go along with it when doing so is conducive to their interests. However, while he thought there was no duty to eliminate state, he does think it will eventually collapse as a result of the spread of egoism.
"Egoism" has inspired many interpretations of Stirner's philosophy. It was re-discovered and promoted by German philosophical anarchist and LGBT activist John Henry Mackay. Individualist anarchism inspired by Stirner attracted a small following of European bohemian artists and intellectuals. Stirner's philosophy has been seen as a precedent of existentialism with other thinkers like Friedrich Nietzsche, or even Sören Kierkegaard.
Russian anarchists like Lev Chernyi were also attracted by Stirner ideas, as well as a few lone wolves who found self-expression in crime and violence. They rejected organizing, believing that only unorganized individuals were safe from coercion and domination, and that this kept them true to the ideals of anarchism. This type of individualist anarchism inspired anarcho-feminist Emma Goldman. Though Stirner's egoism is individualist, it has also influenced some anarcho-communists. "For Ourselves Council for Generalized Self-Management" discusses Stirner and speaks of a "communist egoism," which is said to be a "synthesis of individualism and collectivism," and says that "greed in its fullest sense is the only possible basis of communist society.
Henry David Thoreau (1817–1862) was an important early influence in individualist anarchist thought in the United States and Europe. Thoreau was an American author, poet, naturalist, tax resister, development critic , surveyor, historian, philosopher, and leading transcendentalist. He is best known for his book Walden, a reflection upon simple living in natural surroundings, and his essay, Civil Disobedience, an argument for individual resistance to civil government in moral opposition to an unjust state. His thought is an early influence on green anarchism but with an emphasis on the individual experience of the natural world influencing later naturist currents,Simple living as a rejection of a materialist lifestyle and self-sufficiency were Thoreau's goals, and the whole project was inspired by transcendentalist philosophy. "Many have seen in Thoreau one of the precursors of ecologism and anarcho-primitivism represented today in John Zerzan. For George Woodcock this attitude can be also motivated by certain idea of resistance to progress and of rejection of the growing materialism which is the nature of american society in the mid XIX century."
An early individualist anarchist who was very influential was Josiah Warren, who had participated in a failed collective "utopian socialist" experiment headed by Robert Owen called "New Harmony" and came to the conclusion that such a system is inferior to one that respects the "sovereignty of the individual" and his right to dispose of his property as his own self-interest prescribes.
Another form of individualist anarchism was found in the United States, as advocated by the "Boston anarchists." By default American individualists didn't have any problem that "one man employ another" or that "he direct him," in his labor but demanded that "all natural opportunities requisite to the production of wealth be accessible to all on equal terms and that monopolies arising from special privileges created by law be abolished."
They believed state monopoly capitalism (defined as a state-sponsored monopoly) prevented labor from being fully rewarded. Voltairine de Cleyre, summed up the philosophy by saying that the anarchist individualists "are firm in the idea that the system of employer and employed, buying and selling, banking, and all the other essential institutions of Commercialism, centered upon private property, are in themselves good, and are rendered vicious merely by the interference of the State."
Even among the nineteenth century American individualists, there was not a monolithic doctrine, as they disagreed amongst each other on various issues including intellectual property rights and possession versus property in land. A major schism occurred later in the 19th century when Tucker and some others abandoned their traditional support of natural rights -as espoused by Lysander Spooner- and converted to an "egoism" modeled upon Stirner's philosophy.
Some "Boston anarchists", including Benjamin Tucker, identified themselves as "socialists" which in the 19th century was often used in the broad sense of a commitment to improving conditions of the working class (i.e. "the labor problem"). By the turn of the 20th century, the heyday of individualist anarchism had passed, although aspects of the individualist anarchist tradition were later revived with modifications by Murray Rothbard and his anarcho-capitalism in the mid-twentieth century, as a current of the broader libertarian movement.
European individualist anarchism proceeded from the roots laid by William Godwin, Pierre Joseph Proudhon and Max Stirner. Proudhon was an early pioneer of anarchism as well as of the important individualist anarchist current of mutualism. Stirner became a central figure of individualist anarchism through the publication of his seminal work The Ego and Its Own which is considered to be "a founding text in the tradition of individualist anarchism." Another early figure was Anselme Bellegarrigue. Individualist anarchism expanded and diversified through Europe, incorporating influences from North American individualist anarchism.
European individualist anarchists include Max Stirner, Albert Libertad, Anselme Bellegarrigue, Émile Armand, Enrico Arrigoni, Lev Chernyi, John Henry Mackay, Han Ryner, Renzo Novatore, Miguel Giménez Igualada, and currently Michel Onfray. Two influential authors in European individualist anarchists are Friedrich Nietzche (see Anarchism and Friedrich Nietzsche) and Georges Palante.
From the legacy of Proudhon and Stirner there emerged a strong tradition of French individualist anarchism. An early figure was Anselme BellegarrigueHe participated in the French Revolution of 1848, was author and editor of 'Anarchie, Journal de l'Ordre and Au fait ! Au fait ! Interprétation de l'idée démocratique' and wrote the important early Anarchist Manifesto in 1850. Autonomie Individuelle was an individualist anarchist publication that ran from 1887 to 1888. It was edited by Jean-Baptiste Louiche, Charles Schæffer and Georges Deherme. Later this tradition continued with such intellectuals as Albert Libertad, André Lorulot, Emile Armand, Victor Serge, Zo d'Axa and Rirette Maitrejean developed theory in the main individualist anarchist journal in France, L’Anarchie in 1905. Outside this journal, Han Ryner wrote Petit Manuel individualiste (1903). Later appeared the journal L'EnDehors created by Zo d'Axa in 1891.
French individualist anarchist exposed a diversity of positions (per example, about violence and non-violence). For example Emile Armand rejected violence and embraced mutualism while becoming an important propagandist for free love, while Albert Libertad and Zo d’Axa was influential in violentists circles and championed violent propaganda by the deed while adhering to communitarianism or anarcho-communism  and rejecting work. Han Ryner on the other side conciled anarchism with stoicism. Nevertheless French individualist circles had a strong sense of personal libertarianism and experimentation. Naturism and free love contents started to have a strong influence in individualist anarchist circles and from there it expanded to the rest of anarchism also appearing in Spanish individualist anarchist groups.
Anarchist naturism was promoted by Henri Zisly, Emile Gravelle  and Georges Butaud. Butaud was a individualist "partisan of the milieux libres, publisher of "Flambeau" ("an enemy of authority") in 1901 in Vienna. Most of his energies were devoted to creating anarchist colonies (communautés expérimentales) in which he participated in several.
"In this sense, the theoretical positions and the vital experiences of french individualism are deeply iconoclastic and scandalous, even within libertarian circles. The call of nudist naturism, the strong defence of bith control methods, the idea of "unions of egoists" with the sole justification of sexual practices, that will try to put in practice, not without difficulties, will establish a way of thought and action, and will result in symphathy within some, and a strong rejection within others."
Illegalism is an anarchist philosophy that developed primarily in France, Italy, Belgium, and Switzerland during the early 1900s as an outgrowth of Stirner's individualist anarchism. Illegalists usually did not seek moral basis for their actions, recognizing only the reality of "might" rather than "right"; for the most part, illegal acts were done simply to satisfy personal desires, not for some greater ideal, although some committed crimes as a form of Propaganda of the deed . The illegalists embraced direct action and propaganda by the deed.
In Italy individualist anarchism had a strong tendency towards illegalism and violent propaganda by the deed similar to French individualist anarchism but perhaps more extreme. The theoretical seeds of current Insurrectionary anarchism were already laid out at the end of 19th century Italy in a combination of individualist anarchism criticism of permanent groups and organization with a socialist class struggle worldview.During the early 20th century it is important the intellectual work of individualist anarchist Renzo Novatore In his thought he adhered to stirnerist disrespect to private property only recognizing property of one's own spirit.. Novatore collaborated in the individualist anarchist journal Iconoclasta! alongside the young stirnerist illegalist Bruno Filippi
Spain received the influence of American individualist anarchism but most importantly it was related to the French currents. At the turn of the century individualism in Spain takes force through the efforts of people such as Dorado Montero, Ricardo Mella, Federico Urales and J. Elizalde who will translatre French and American individualists. Important in this respect were also magazines such as La Idea Libre, La revista blanca, Etica, Iniciales, Al margen and Nosotros. In Germany the Scottish-German John Henry McKay became the most important propagandist for individualist anarchist ideas. Adolf Brand (1874–1945) was a German writer, stirnerist anarchist and pioneering campaigner for the acceptance of male bisexuality and homosexuality. Brand published a German homosexual periodical, Der Eigene in 1896. The Irish anarchist writer of the Decadent movement Oscar Wilde influenced individualist anarchists such as Renzo Novatore and gained the admiration of Benjamin Tucker.
Social anarchism is an umbrella term used to identify a broad category of anarchism independent of individualist anarchism. Where individualist forms of anarchism emphasize personal autonomy and the rational nature of human beings, social anarchism sees "individual freedom as conceptually connected with social equality and emphasize community and mutual aid." Social anarchism is used to specifically describe anarchist tendencies within anarchism that have an emphasis on the communitarian and cooperative aspects of anarchist theory and practice. Social anarchism includes (but is not limited to) collectivist anarchism, anarcho-communism, libertarian socialism, anarcho-syndicalism and social ecology.
Collectivist anarchism is a revolutionary form of anarchism most commonly associated with Mikhail Bakunin, Johann Most and the anti-authoritarian section of the First International (1864–1876). Unlike mutualists, collectivist anarchists oppose all private ownership of the means of production, instead advocating that ownership be collectivized. This was to be initiated by small cohesive elite group through acts of violence, or "propaganda by the deed," which would inspire the workers to revolt and forcibly collectivize the means of production. Workers would be compensated for their work on the basis of the amount of time they contributed to production, rather than goods being distributed "according to need" as in anarcho-communism. Although the collectivist anarchists advocated compensation for labor, some held out the possibility of a post-revolutionary transition to a communist system of distribution according to need. Collective anarchism arose contemporaneously with Marxism but opposed the Marxist dictatorship of the proletariat, despite Marxism striving for a collectivist stateless society.
Some collectivist anarchists do not oppose the use of currency. Some support workers being paid based on the amount of time they contributed to production. These salaries would be used to purchase commodities in a communal market. This contrasts with anarcho-communism where wages would be abolished, and where individuals would take freely from a storehouse of goods "to each according to his need." Many modern-day collectivist anarchists hold their form of anarchism as a permanent society rather than a carryover to anarcho-communism or a gift economy. Some collectivist anarchists such as proponents of participatory economics believe in remuneration and a form of credit but do not believe in money or markets.
Although Collectivist anarchism shares many similarities with Anarchist communism there are also many key differences between them. For example collectivist anarchists believe that the economy and most or all property should be collectively owned by society while anarchist communists by contrast believe that the concept of ownership should be rejected by society and replaced with the concept of usage. Also Collectivist anarchists often favor using a form of currency to compensate workers according to the amount of time spent contributing to society and production while Anarcho-communists believe that currency and wages should be abolished all together and goods should be distributed "to each according to his or her need".
Anarchist communists propose that a society composed of a number of self-governing communes with collective use of the means of production, with direct democracy as the political organizational form, and related to other communes through federation would be the freest form of social organisation. However, some anarchist communists oppose the majoritarian nature of direct democracy, feeling that it can impede individual liberty and favor consensus democracy. Joseph Déjacque was an early anarchist communist and the first person to describe himself as "libertarian". Other important anarchist communists include Peter Kropotkin, Emma Goldman, Alexander Berkman and Errico Malatesta.
In anarchist communism, individuals would not receive direct compensation for labour (through sharing of profits or payment), but would instead have free access to the resources and surplus of the commune. Kropotkin, on the basis of his biological research and experimentation, believed that humans and human society are more inclined towards efforts for mutual benefit than toward competition and strife. Kropotkin believed that private property was one of the causes of oppression and exploitation and called for its abolition, but he only opposed ownership, not possession.
Some anarcho-syndicalists saw anarchist communism as their objective; for example, the Spanish CNT adopted Isaac Puente's 1932 El comunismo libertario as its manifesto for a post-revolutionary society. Platformism is an anarchist communist tendency in the tradition of Nestor Makhno who argued for the "vital need of an organization which, having attracted most of the participants in the anarchist movement, would establish a common tactical and political line for anarchism and thereby serve as a guide for the whole movement."
Anarcho-communism does not always have a communitarian philosophy. Some forms of anarchist communism are egoist and strongly influenced by radical individualist , believing that anarcho-communism does not require a communitarian nature at all. Forms of libertarian communism such as Situationism are strongly Egoist in nature. Anarchist communist Emma Goldman was influenced by both Stirner and Kropotkin and blended their philosophies together in her own, as shown in books of hers such as Anarchism And Other Essays.
Platformism is a tendency within the wider anarchist movement which shares an affinity with organising in the tradition of Dielo Truda's Organizational Platform of the General Union of Anarchists (Draft). The Platform came from the experiences of Russian anarchists in the 1917 October Revolution, which led eventually to the victory of Bolsheviks over the anarchists and other like-minded groups. The Platform attempted to explain and address the failure of the anarchist movement during the Russian Revolution. As a controversial pamphlet, the Platform drew both praise and criticism from anarchists worldwide.
In the early twentieth century anarcho-syndicalism arose as a distinct school of thought within anarchism. More heavily focused on the labour movement than previous forms of anarchism, syndicalism posits radical trade unions as a potential force for revolutionary social change, replacing capitalism and the state with a new society, democratically self-managed by the workers. Anarcho-syndicalists seek to abolish the wage system and private ownership of the means of production, which they believe lead to class divisions. Important principles of syndicalism include workers' solidarity, direct action (such as general strikes and workplace recuperations), and workers' self-management.
Anarcho-syndicalism and other branches of anarchism are not mutually exclusive: anarcho-syndicalists often subscribe to communist or collectivist anarchism. Its advocates propose labour organization as a means to create the foundations of a non-hierarchical anarchist society within the current system and bring about social revolution. According to An Anarchist FAQ, anarcho-syndicalist economic systems often take the form of either a collectivist anarchist economic system or a anarcho-communist economic system.
Rudolf Rocker is considered a leading anarcho-syndicalist theorist. He outlined a view of the origins of the movement, what it sought, and why it was important to the future of labour in his 1938 pamphlet Anarchosyndicalism. Although more frequently associated with labor struggles of the early twentieth century (particularly in France and Spain), many syndicalist organizations are active today, including the SAC in Sweden, the USI in Italy, and the CNT in Spain. A number of these organizations are united across national borders by membership in the International Workers Association.
Religious anarchism refers to a set of related anarchist ideologies that are inspired by the teachings of (organized) religions, however many anarchist have traditionally been skeptical of and opposed to organized religion. Many different religions have served as inspiration for religious forms of anarchism, most notably Christianity; Christian anarchists believe that biblical teachings give credence to anarchist philosophy. Non-Christian forms of religious anarchism include Buddhist anarchism, Jewish anarchism and most recently Neopaganism. Neopaganism focuses on the sanctity of the environment and equality, and is often of a decentralized nature. This led to a number of Neopagan-inspired anarchists, one of the most prominent of which is Starhawk, who writes extensively about both spirituality and activism.
Christian anarchism is a form of religious anarchism that seeks to combine anarchism with Christianity, claiming that anarchism is justified by the teachings of Jesus Christ. Early Christian communities have been described by Christian anarchists and some historians as possessing anarcho-communist characteristics. Christian anarchists such as Ammon Hennacy and Keith Akers believe that the teachings of Paul of Tarsus caused a shift from the earlier more egalitarian and anarchistic teachings of Jesus Christ and suggest that Christians should look at returning to pre-Pauline Christianity. Others, however, believe that Paul with his strong emphasis on God's Providence, is to be understood as a holding to anarchist principles.
Anarcho-pacifism(also pacifist anarchism or anarchist pacifism) is a form of anarchism which completely rejects the use of violence in any form for any purpose. The main prescedent was Henry David Thoreau who through his work Civil Disobedience influenced both Leo Tolstoy and Mohandas Gandhi advocacy of Nonviolent resistance.. As a global movement, Anarchist pacifism emerged shortly before World War II in Holland, Great Britain and the United States and was a strong presence in the subsequent campaigns for nuclear disarmament.
Violence has always been controversial in anarchism. While many anarchists during the 19th century embraced propaganda of the deed, Leo Tolstoy and other anarcho-pacifists directly opposed violence as a means for change. He argued that anarchism must by nature be nonviolent since it is, by definition, opposition to coercion and force, and that since the state is inherently violent, meaningful pacifism must likewise be anarchistic. His philosophy was cited as a major inspiration by Mohandas Gandhi, an Indian independence leader and pacifist who self-identified as an anarchist. Ferdinand Domela Nieuwenhuis was also instrumental in establishing the pacifist trend within the anarchist movement. In France anti-militarism appeared strongly in individualist anarchist circles as Émile Armand founded "Ligue Antimilitariste" in 1902 with Albert Libertad and George Mathias Paraf-Javal.
Anarchism generates many eclectic and syncretic philosophies and movements. Since the revival of anarchism in the mid 20th century, a number of new movements and schools have appeared. Anarchist anthropologist David Graeber has posited a rupture between generations of anarchism, with those "who often still have not shaken the sectarian habits of the last century" contrasted with the younger activists who are "much more informed, among other elements, by indigenous, feminist, ecological and cultural-critical ideas", and who by the turn of the 21st century formed "by far the majority" of anarchists.
Mutualism, initially developed in the 19th century, has reemerged in the 21st century within left-libertarianism, incorporating modern economic ideas such as marginal utility theory. Kevin A. Carson's book Studies in Mutualist Political Economy was influential in this regard, updating the labor theory of value in response to Austrian economics. Contemporary mutualists are among those involved in the Alliance of the Libertarian Left and in the Voluntary Cooperation Movement. Agorism, an anarchist tendency founded by Samuel Edward Konkin III, advocates counter-economics – working in untaxed black or grey markets and boycotting as much as possible the unfree taxed market – with the intended result that private voluntary institutions emerge and out-compete statist ones. Geoanarchism, an anarchist form of Henry George's philosophy, is considered left-libertarian because it assumes land to be initially owned in common, so that when land is privately appropriated the proprietor pays rent to the community. These philosophies share similar concerns and are collectively known as left-libertarianism. Anarcho-capitalism  is "based on a belief in the freedom to own private property, a rejection of any form of governmental authority or intervention, and the upholding of the competitive free market as the main mechanism for social interaction." Because of the historically anti-capitalist nature of much of anarchist thought, the status of anarcho-capitalism within anarchism is disputed, particularly by Libertarian socialists and communist anarchists. Conversely, anarcho-capitalists sometimes argue that socialist schools of anarchism are themselves logically impossible.
Anarcho-capitalists distinguish between free market capitalism – peaceful voluntary exchange – from state capitalism, which Murray Rothbard defined as a collusive partnership between big business and government that uses coercion to subvert the free market. Whether in its natural rights-based, contractarian, or utilitarian formulations, anarcho-capitalism has a theory of legitimacy that supports private property as long as it was obtained by labor, trade, or gift.
Proponents argue that in an anarcho-capitalist society, voluntary market processes would result in the provision of social institutions such as law enforcement, defence and infrastructure by competing for-profit firms, charities or voluntary associations rather than the state. In Rothbardian anarcho-capitalism, law (the non-aggression principle) is enforced by the market but not created by it, while according to David D. Friedman's utilitarian version, the law itself is produced by the market.
Although the term anarcho-capitalism was coined by Rothbard, and its origin is attributed to 1960s United States, some historians, including Rothbard, trace the school of thought as far back as the mid-19th century, to market theorists such as Gustave de Molinari. Anarcho-capitalism has drawn influence from pro-market theorists such as Molinari, Frédéric Bastiat, and Robert Nozick, as well as American individualist thinkers such as Benjamin Tucker and Lysander Spooner.
Considered a form of individualist anarchism, it differs from the individualism of the Boston anarchists of the 19th century in its rejection of the labor theory of value (and its normative implications) in favor of the neoclassical or Austrian School marginalist view. Anarcho-capitalist ideas have contributed to the development of agorism, autarchism, voluntaryism, paleolibertarianism, and crypto-anarchism. Institutes related to capitalist anarchism are Center for Libertarian Studies and Ludwig von Mises Institute in US, and Libertarian Alliance in UK.
Autarchism is a philosophy subscribed to by Robert LeFevre, who stated “Autarchy is self-rule. It means that each person rules himself, and no other.” Autarchism rejects compulsory government and supports "private capitalism."
Anarcha-feminism (occasionally called anarcho-feminism) is a form of anarchism that synthesizes radical feminism and anarchism that views patriarchy (male domination over women) as a fundamental manifestation of involuntary hierarchy which anarchists often oppose. Anarcha-feminism was inspired in the late 19th century by the writings of early feminist anarchists such as Lucy Parsons, Emma Goldman and Voltairine de Cleyre. Anarcha-feminists, like other radical feminists, criticize and advocate the abolition of traditional conceptions of family, education and gender roles. Anarcha-feminists are especially critical of marriage. For instance, the feminist anarchist Emma Goldman has argued that marriage is a purely economic arrangement... "[woman] pays for it with her name, her privacy, her self-respect, her very life."
Anarcha-feminists also often criticize the views of some of the traditional anarchists such as Mikhail Bakunin who have believed that patriarchy is only a minor problem and is dependent only on the existence of the state and capitalism and will disappear soon after such institutions are abolished. Anarcha-feminists by contrast view patriarchy as a fundamental problem in society and believe that the feminist struggle against sexism and patriarchy is an essential component of the anarchist struggle against the state and capitalism. As Susan Brown puts it, "as anarchism is a political philosophy that opposes all relationships of power, it is inherently feminist".
Green anarchism (or eco-anarchism) is a school of thought within anarchism which puts an emphasis on environmental issues. Important contemporary currents are anarcho-primitivism and social ecology. Many advocates of green anarchism and primitivism consider Fredy Perlman as the modern progenitor of their views.
Notable contemporary writers espousing green anarchism include Murray Bookchin, Janet Biehl, Daniel Chodorkoff, anthropologist Brian Morris, and people around Institute for Social Ecology; those critical of technology such as Derrick Jensen, George Draffan, and John Zerzan; and others including Alan Carter, and Stewart Davidson 
Social ecologists, also considered a kind of socialist anarchist, often criticize the main currents of anarchism for their focus and debates about politics and economics instead of a focus on eco-system (human and environmental). This theory promote libertarian municipalism and green technology. Anarcho-primitivists often criticize mainstream anarchism for supporting civilization and modern technology which they believe are inherently based on domination and exploitation. They instead advocate the process of rewilding or reconnecting with the natural environment. Veganarchism is the political philosophy of veganism (more specifically animal liberation) and green anarchism. This encompasses viewing the state as unnecessary and harmful to both human and animals, whilst practising a vegan diet.
Anarcho-primitivism is an anarchist critique of the origins and progress of civilization. According to anarcho-primitivism, the shift from hunter-gatherer to agricultural subsistence gave rise to social stratification, coercion, and alienation. Anarcho-primitivists advocate a return to non-"civilized" ways of life through deindustrialisation, abolition of the division of labour or specialization, and abandonment of large-scale organization technologies. There are other non-anarchist forms of primitivism, and not all primitivists point to the same phenomenon as the source of modern, civilized problems.
Many traditional anarchists reject the critique of civilization, many even denying that anarcho-primitivism has anything to do with anarchism, while some, such as Wolfi Landstreicher, endorse the critique but do not consider themselves anarcho-primitivists. Anarcho-primitivists are often distinguished by their focus on the praxis of achieving a feral state of being through "rewilding".
Post-left anarchy is a recent current in anarchist thought that promotes a critique of anarchism's relationship to traditional leftism. Some post-leftists seek to escape the confines of ideology in general also presenting a critique of organizations and morality. Influenced by the work of Max Stirner and by the Situationist International, post-left anarchy is marked by a focus on social insurrection and a rejection of leftist social organisation.
The magazines Anarchy: A Journal of Desire Armed, Green Anarchy and Fifth Estate have been involved in developing post-left anarchy. Individual writers associated with the tendency are Hakim Bey, Bob Black, John Zerzan, Jason McQuinn, Fredy Perlman, Lawrence Jarach and Wolfi Landstreicher. The contemporary network of collectives CrimethInc. is an exponent of post-left anarchist views.
The term post-anarchism was originated by Saul Newman, and first received popular attention in his book From Bakunin to Lacan to refer to a theoretical move towards a synthesis of classical anarchist theory and poststructuralist thought. Subsequent to Newman's use of the term, however, it has taken on a life of its own and a wide range of ideas including post-modernism, autonomism, post-left anarchy, situationism, post-colonialism and Zapatismo. By its very nature post-anarchism rejects the idea that it should be a coherent set of doctrines and beliefs. As such it is difficult, if not impossible, to state with any degree of certainty who should or should not be grouped under the rubric. Nonetheless key thinkers associated with post-anarchism include Saul Newman, Todd May, Lewis Call, Gilles Deleuze, Félix Guattari and Michel Onfray.
Insurrectionary anarchism is a revolutionary theory, practice and tendency within the anarchist movement which emphasizes the theme of insurrection within anarchist practice. It opposes formal organizations such as labor unions and federations that are based on a political programme and periodic congresses. Instead, insurrectionary anarchists support informal organization and small affinity group based organization. Insurrectionary anarchists put value in attack, permanent class conflict, and a refusal to negotiate or compromise with class enemies.
Anarchism without adjectives, in the words of historian George Richard Esenwein, "referred to an unhyphenated form of anarchism, that is, a doctrine without any qualifying labels such as communist, collectivist, mutualist, or individualist. For others, ... [it] was simply understood as an attitude that tolerated the coexistence of different anarchist schools". Anarchism without adjectives emphasizes harmony between various anarchist factions and attempts to unite them around their shared anti-authoritarian beliefs. The expression was coined by Cuban-born Fernando Tarrida del Mármol, who used it in Barcelona in November 1889 as a call for tolerance, after being troubled by the "bitter debates" between the different movements. Rudolf Rocker said that the different types of anarchism presented "only different methods of economy, the practical possibilities of which have yet to be tested, and that the first objective is to secure the personal and social freedom of men no matter upon which economics basis this is to be accomplished."
Voltairine de Cleyre was an anarchist without adjectives who initially identified herself as an individualist anarchist but later espoused a collectivist form of anarchism, while refusing to identify herself with any of the contemporary schools. She commented that "Socialism and Communism both demand a degree of joint effort and administration which would beget more regulation than is wholly consistent with ideal Anarchism; Individualism and Mutualism, resting upon property, involve a development of the private policeman not at all compatible with my notion of freedom" although she stopped short of denouncing these tendencies as un-anarchistic. Errico Malatesta was another proponent of anarchism without adjectives, stating that "[i]t is not right for us, to say the least, to fall into strife over mere hypotheses." Fred Woodworth is a contemporary anarchist without adjectives.
When... production comes to outstrip consumption... [e]veryone will draw what he needs from the abundant social reserve of commodities, without fear of depletion; and the moral sentiment which will be more highly developed among free and equal workers will prevent, or greatly reduce, abuse and waste.
They [the Marxists] maintain that only a dictatorship – their dictatorship, of course – can create the will of the people, while our answer to this is: No dictatorship can have any other aim but that of self-perpetuation, and it can beget only slavery in the people tolerating it; freedom can be created only by freedom, that is, by a universal rebellion on the part of the people and free organization of the toiling masses from the bottom up.