The Trotskyist Fraction – Fourth International (TF-FI) is a political international of Trotskyist political organizations that claim to adhere to the political legacy of the Fourth International.
The Workers Socialist League (WSL) was a Trotskyist group in Britain. The group was formed by Alan Thornett and other members of the Workers Revolutionary Party (WRP) after their expulsion from that group in 1974.
James Robertson (1928–2019) was the long-time and founding National Chairman of the Spartacist League (US), the original national section of the International Communist League. In his later years, Robertson was consultative member of the ICL's international executive committee.
Internationalist Communist League was a Trotskyist political party in Portugal. LCI was founded in 1973. It became the Portuguese section of the reunified Fourth International.
The Spartacist League/Britain is a Trotskyist political organisation in Britain. It is the British section of the International Communist League.
Workers Vanguard is a Marxist bi-weekly newspaper published by the Spartacist League, a Trotskyist political organization in the United States. It was affiliated also with the International Communist League, a confederation of similar groups.
The Revolutionary Internationalist Organization (RIO) is a political group in Germany advocating for the dissemination of socialist and internationalist ideas. It is the publisher of the online newspaper Klasse Gegen Klasse and part of the international newspaper network La Izquierda Diario. The RIO aims to achieve societal changes toward a classless society and supports social movements internationally. Its ideology is based on Marxist, Trotksyist, and internationalist principles.
Under a variety of names and within a number of organizations over at least 17 years, the group around Harry Turner, or Turnerites was a presence within Trotskyism in the United States.
The Committee for a Revolutionary Socialist Party was an attempt to set up a "united front" of several dissident American Trotskyist groups in the 1980s.
The Spartacist League/U.S. is a Trotskyist political grouping which is the United States section of the International Communist League, formerly the International Spartacist Tendency. This Spartacist League named themselves after the original Spartacus League of Weimar Republic in Germany, but has no formal descent from it. The League self-identifies as a "revolutionary communist" organization.
The Lega trotskista d'Italia or Trotskyist League of Italy is an Italian Trotskyist group. It is the Italian section of the International Communist League, or "Spartacist" tendency within international Trotskyism.
The Ligue trotskyste de France is a French Trotskyist group. It is a section of the International Communist League or "Spartacist" tendency.
The International Committee of the Fourth International (ICFI) is a public faction of the Fourth International founded in 1953. Today two Trotskyist internationals claim to be the continuations of the ICFI; one with sections named Socialist Equality Party which publishes the World Socialist Web Site, and another linked to the Workers Revolutionary Party in the UK.
The Fourth International (FI), founded in 1938, is a Trotskyist international.
The International Communist League (Fourth Internationalist) abbreviated as ICL(FI), earlier known as the international Spartacist tendency (iSt) is a Trotskyist international. Its largest constituent party is the Spartacist League (US). There are smaller sections of the ICL (FI) in Mexico, Canada, France, Germany, Ireland, Italy, Japan, South Africa, Australia, Greece and the United Kingdom.
Orthodox Trotskyism is a branch of Trotskyism which aims to adhere more closely to the philosophy, methods and positions of Leon Trotsky and the early Fourth International, Vladimir Lenin and Karl Marx than other avowed Trotskyists.
The International Bolshevik Tendency is an international Trotskyist organisation.
