Διεθνή

Committee for a Workers International (CWI)

• Socialist Party (SP), Great Britain, Wales,
• SOZIALISTISCHE OFFENSIVE,Austria,
• Socialismo Revolucionario, Chile
• CWI Finland, Finland
• Gauche Révolutionnaire, France
• Sozialistische Organisation Solidaritaet, Germany 
• New Socialist Alternative, India 
• CWI Japan, Japan 
• Socialist Alternatif, Malaysia   
• Democratic Socialist Movement, Nigeria 
• Socialist Party Scotland, Scotland 
• Marxist Workers Party, South Africa
• United Socialist Party, Sri lanka

• Βραζιλία: Liberdade, Socialismo e Revolução (Ελευθερία, Σοσιαλισμός κι Επανάσταση),
• ΗΠΑ: Socialist Alternative (Σοσιαλιστική Εναλλακτική)
• Καναδάς: Socialist Alternative (Σοσιαλιστική Εναλλακτική), Κεμπέκ: Alternative Socialiste (Σοσιαλιστική Εναλλακτική)
• Μεξικό: Alternativa Socialista (Σοσιαλιστική Εναλλακτική)
• Αυστραλία: Socialist Action (Σοσιαλιστική Δράση)
• Κίνα: 中国劳工论坛 (Κινέζος Εργάτης), Ταϊβάν: 工人國際委員會 台灣支部 (Τμήμα C.W.I. Ταϊβάν), Χονγκ Κονγκ: 社會主義行動 (Σοσιαλιστική Δράση)
• Ακτή Ελεφαντοστού: Comité pour une Internationale Ouvrière – Côte d’Ivoire (Επιτροπή για μια Εργατική Διεθνή)
• Νιγηρία: Democratic Socialist Movement (Δημοκρατικό Σοσιαλιστικό Κίνημα)
• Νότια Αφρική: Workers And Socialist Party (Εργατικό Και Σοσιαλιστικό Κόμμα)
• Σουδάν: Socialist Alternative Sudan – البديل الاشتراكي السودان (Σοσιαλιστική Εναλλακτική)
• Τυνησία: البديل الاشتراكي (Σοσιαλιστική Εναλλακτική)
• Αγγλία & Ουαλία: Socialist Alternative (Σοσιαλιστική Εναλλακτική),
• Αυστρία: Socialistische LinksPartei (Σοσιαλιστικό Αριστερό Κόμμα)
• Βέλγιο: Linkse Socialistiche Partij/ Parti Socialiste de Lutte (Αριστερό Σοσιαλ. Κόμμα/ Σοσιαλ. Κόμμα του Αγώνα)
• Γερμανία: Sozialistische Alternative (SAV) (Σοσιαλιστική Εναλλακτική)
• Ιρλανδία (Βόρεια): Socialist Party (Σοσιαλιστικό Κόμμα)
• Δημοκρατία της Ιρλανδίας: Socialist Party (Σοσιαλιστικό Κόμμα)
• Ισπανικό Κράτος: Socialismo Revolucionario (Επαναστατικός Σοσιαλισμός)
• Ελλάδα: Ξεκίνημα 
• Κύπρος: Νέα Διεθνιστική Αριστερά – Yeni Enternasyonalist Sol
• Ολλανδία: Socialistisch Alternatief (Σοσιαλιστική Εναλλακτική)
• Πολωνία: Alternatywa Socjalistyczna (Σοσιαλιστική Εναλλακτική)
• Ρουμανία: Mâna de Lucru (Εργατική Δύναμη)
• Ρωσία: Социалистическая Альтернатива (Σοσιαλιστική Εναλλακτική)
• Σουηδία: Rättvisepartiet Socialisterna (Σοσιαλιστικό Κόμμα Δικαιοσύνης)
• Τσεχία: Socialistická Alternativa Budoucnost (Σοσιαλιστική Εναλλακτική του Μέλλοντος)
• Ισραήλ/ Παλαιστίνη: תנועת מאבק סוציאליסטי/ حركة النضال الاشتراكي‎ (Κίνημα Σοσιαλιστικού Αγώνα)
• Τουρκία: Sosyalist Alternatif (Σοσιαλιστική Εναλλακτική)

Communist Organization for the Fourth International  (COFI)

• Communist Organization for the Fourth International – FRG (Kommunistische Organisation für die Vierte Internationale-BRD, KOVI-BRD), Germany
• League for the Revolutionary Party (LRP), USA

Coordinating Committee for the Refoundation of the Fourth International (CRFI)
Tendency aound the Argentinian Workers Party (Partido Oberero, PO)

• Workers’ Party (Partido Obrero, PO), Argentina
  • Tendencia piquetera revolutionaria (split from PO)
• Workers Revolutionnary Party (Εργατικό Επαναστατικό Κόμμα, EEK), Greece
• Partito Comunista dei Lavoratori, Italy
• Workers’ Party(Partido de los Trabajadores, PT), Uruguay  
• Revolutionary Action Group [es; zh] (Grupo de Acción Revolucionaria, GAR), Mexico
• Marxilainen Työväenliitto (Marxist Workers League, Finlandia)
• Devrimci İşçi Partisi (Revolutionary Workers’ Party – Turkey)
• Opción Obrera (Venezuela)
• Partido Obrero Revolucionario (Chile)  
• Workers’ Cause Party (Partido da Causa Operária, PCO), Brazil [ex]

International Bolshevik Tendency (IBT)

• International Bolshevik Tendency (Spartacus Group) (Internationale Bolschewistische Tendenz (Gruppe Spartakus)), Germany
• Marxist Bulletin, Great Britain

International Committee of the Fourth International [1] (ICFI[1])

• Socialist Equality Party (SEP), Australia
• Party for Social Equality (Partei für Soziale Gleichheit, PSG), Germany
• Socialist Equality Party (SEP), Great Britain
• Socialist Equality Party (SEP), other page, USA 
• Socialist Equality Party (SEP), SRI LANKA

International Committee of the Fourth International [2] (ICFI[2])

• Workers’ Revolutionary Party (WRP), Great Britain

International Communist League (Fourth Internationalist)(ICL(FI)) «Σπαρτακιστές»

Διάσπαση των Σπάρτακιστών

Comité d’organisation pour la reconstitution de la IVe Internationale (CORQI)

• Workers’ Party (Parti des Travailleurs, PT) unofficial, periodical Fraternité, Algeria
• Independent Workers’ Party (Parti ouvrier indépendant, POI), France,
• OSI – ISO | Section belge du Comité d’Organisation pour la …https://osi-iso.com
• Workers Information (Información Obrera), Spain, Collective for Workers’ Socialism (Colectivo por el Socialismo Obrero), Communist Encounter (Reencuentro Comunista)
  
• Socialism without Bosses, General, Bureaucrats (Patronsuz, Generalsiz, Bürokratsiz Sosyalizm, PGB Sosyalizm), Turkey

International Secretariat of the Fourth International (αδελφικές σχέσεις με ΕΙΤ/ILC)

• Labour (O Trabalho), periodical O Trabalho, Brazil
• Socialist Workers’ Organization (Organización Socialista de los Trabajadores) youth organization, Mexico
• Workers’ Party of Socialist Unity (Partido Operário de Unidade Socialista, POUS), Portugal
• Internationalist Socialist Workers’ Party (Partido Obrero Socialista Internacionalista, POSI), Spain
• “Struggle” Union (Soyuz “Borot’ba”), Ukraine
• Socialist Organizer, USA

International Marxist Tendency
Tendency around the Group publishing Socialist Appeal in Great Britain

• The Militant (El Militante), Argentina
• The Spark (Der Funke), Austria
• Spark (Vonk), Belgium
• FightBack, Canada 
• Socialist Standpoint (Socialistisk Standpunkt), Denmark
• Counter-attack (La Riposte), France
• The Spark (Der Funke), Germany
• Socialist Appeal periodical, In Defense of Marxism periodical, Great Britain, active inside Labour Party
• Marxist Voice (Μαρξιστικη Φωνη), Greece
• Shining Light (Cahaya), Indonesia
• Iranian Revolutionary Socialists’ League (Ettehadi-ye Sosiyalistha-ye Enqelabi-ye Iran, IRSL)
• In Defence of Marxism, Israel, Spark (Iskra), Israel
• Sickle Hammer (Falce Martello), Italy, active inside PRC
• Militant (Militante), Mexico, active inside PRD
• Struggle (Jeddo Judh) trade union wing, Pakistan
• Socialist Left Force (Fuerza de Izquierda Socialista, FIS), Peru Socialism (Socjalizm), Poland
• Workers Democracy (Rabochaya Demokratiya), Russia
• Insurgent Reason (Pobunjeni Um), mirror page, Serbia and Montenegro (close to CMI)
• Forward! – Slovenian Marxist Circle (Naprej! – Stran Slovenskih Marksistov)
• The Militant (El Militante), Spain, Militancy (Militancia), Spain/Andalusia, Marxist Left (Esker Marxista), Spain Yesterday and Today (Onte e Hoxe), Spain
• The Socialist (Socialisten), Sweden
• Marxist Attitude (Marksist Tutum), Turkey
• Workers International League (WIL), youth organization, USA
• Revolutionary Marxist Current (Corriente Marxista Revolucionaria), Venezuela

International Socialists (IS), other page

• Socialist Workers’ Party (SWP), Great Britain
• Left Turn (Linkswende), Austria
• International Socialist Organisation (ISO), Australia
• Revolts (Revolutas), Brazil
• International Socialists / International Socialism (International Socialists/Socialisme International), Canada
• Workers’ Democracy (Ergatiki Demokratia), Cyprus
• Socialist Solidarity (Socialistická Solidarita), Czech Republic
• International Socialists (Internationale Socialister), Denmark
• Socialist League (Sosialistiliitto, SL), Finland
• Que Faire, France
• Marx21, Germany
• SWP,(Σοσιαλιστικό Εργατικό Κόμμα-ΣΕΚ), Greece
• Socialist Workers Party (SWP), Ireland
• Comunismo dal basso, Italy
• International Socialists (Internationale Socialisten), Netherlands
• Socialist Worker, New Zealand 
• Socialist Workers League, Nigeria
• International Socialists (Internasjonale Sosialister), Norway
• RSO-International Socialists, Pakistan
• Workers’ Democracy (Pracownicza Demokracja), Poland 
• Keep Left, South Africa 
• All Together, South Korea
• In Struggle (En Lucha), Spain
• Antikapitalist (Anti-capitalist), Turkey (The group was abolished in 2010)
• Devrimci Sosyalist İşçi Partisi (DSİP), Revolutionary Socialist Workers Party, Turkey
• Socialismo Internacional, Uruguay
• International Socialist Organization (ISO), Zimbabwe

Διασπάσεις από τους International Socialists

• International Socialist Network (UK, split from SWP)
• Socialist Action Group (SAG), Australia, split from SA
• Socialist Alternative (SA), Australia, split of ISO
• Solidarity, Australia, split from ISO
• New Socialist Group, Canada
• Active Socialist Forum (Aktivt Socialistisk Forum, ASF), Denmark, split of IS
• International Socialism (Socialisme International), France
• Anti-capitalist Network (Antikapitalistisches Netzwerk), Germany, split from Linksruck
• Group of International Socialists(Gruppe Internationaler SozialistInnen, GIS), Germany, Germany, split from Linksruck, now left communist
• International Socialists (Internationale Sozialisten), Germany, split of SAG, close to IS
• Internationalist Workers Left (Διεθνιστική Εργατική Αριστερά, ΔEA), Greece, διάσπασή από το ΣΕΚ
• International Socialist Organization (ISO), New Zealand, split from SWO, close to IS
• Organización Socialista Internacional, Puerto, Rico
• International Socialist Organization (ISO), USA, ex-IS
• Left Turn, USA, ex-IS

International Workers League (Fourth International) (Liga Internacional de los Trabajadores (Quarta Internacional), LIT-CI)

• ARGENTINA: PARTIDO SOCIALISTA DE LOS TRABAJADORES UNIFICADO – PSTU
• BRASIL: PARTIDO SOCIALISTA DOS TRABALHADORES UNIFICADO – PSTU
• CHILE: ΜΙΤ
• COLOMBIA: PARTIDO SOCIALISTA DE LOS TRABAJADORES – PST
• COSTA RICA: PARTIDO DE LOS TRABAJADORES – PT
• EL SALVADOR: UNIDAD SOCIALISTA DE TRABAJADORES – UST
• HONDURAS: PARTIDO SOCIALISTA DE LOS TRABAJADORES – PST
• PARAGUAY: PARTIDO DE LOS TRABAJADORES – PT*
• PERÚ: PARTIDO SOCIALISTA DE LOS TRABAJADORES – PST
• ESPAÑA: CORRIENTE ROJA – CR
• PORTUGAL: EM LUTA
• ITALIA: PARTITO DI ALTERNATIVA COMUNISTA – PDAC
• Mexico: Grupo Socialista Obrero (Simpatizante)
• PANAMÁ: LIGA DE TRABAJADORES HACIA EL SOCIALISMO – LTS (Simpatizante)
• INGLATERRA: INTERNATIONAL SOCIALIST LEAGUE – ISL* (Simpatizante)
• BÉLGICA: LIGUE COMMUNISTE DES TRAVAILLEURS – LCT (Simpatizante)
• BOLIVIA: GRUPO LUCHA SOCIALISTA – GLS* (Simpatizante)
• ECUADOR: MOVIMIENTO AL SOCIALISMO – MAS* (Simpatizante)
• RUSIA: MEZHDUNARODNAYA RABOCHAYA PARTIA – MezhRP (PARTIDO OPERARIO INTERNACIONALISTA – POI) (Simpatizante)
• TURQUÍA:  RED (Simpatizante)
• ESTADOS UNIDOS: LA VOZ DE LOS TRABAJADORES (WORKERS’ VOICE) – (Simpatizante)
• URUGUAY: IZQUIERDA SOCIALISTA DE LOS TRABAJADORES -IST (Simpatizante)
• VENEZUELA: UNIDAD SOCIALISTA DE LOS TRABAJADORES – UST* (Simpatizante)
• SENEGAL: LIGUE POPULAIRE SÉNÉGALAISE (Simpatizante)
• FRANCIA: GROUPE SOCIALISTE INTERNACIONALISTE – GSI* (ex)
• UCRANIA: UNIÓN COMUNISTA OBRERA UCRANIANA – UKRS* (ex)

International Workers’ Unity (Fourth International) (Unidad Internacional de los Trabajadores (Quarta Internacional), UIT)

• Soscialist Left (Izquierda Socialista), Argentina
• La protesta, Bolivia
• Movimiento Socialista de los Trabajadores, Chile
  
• Socialist Workers’ Current(Corrente Socialista dos Trabalhadores, CST), Brazil
• Alternativa Sosialista, Colombia
  
• Socialist Core, USA

Internationalist Communist Union (Lutte Ouvrière- Union Communiste Internationaliste, UCI)

• Communist Union (trotskyist), [Workers Struggle] (Union Communiste (trotskyste), [Lutte Ouvrière], LO), France
  • Faction of Workers Struggle (Fraction de Lutte Ouvrière) periodical Convergences Révolutionnaires
• Workers’ Struggle (Combat Ouvrier), Guadeloupe/Martinique
• The Spark, USA
• Workers’ Fight (Αγγλία)
• Combat Ouvrier (Αντίλλες)
• Sınıf Mücadelesi (Τουρκία)
• l’internazionale (Ιταλία)

League for the Fifth International  (LFI)

• Workers’ Standpoint Group (Gruppe ArbeiterInnenstandpunkt, ASt), Austria 
• Liga Socialista, Brazil
• Ligue pour la cinquieme internationale ex Workers’ Power (Pouvoir Ouvrier, PO), France, dissolved in 2003
• Workers’ Power Group (Gruppe Arbeitermacht, GAM), Germany
• Workers’ Power, Great Britain 
• Revolutionary Socialist Movement Pakistan  
• Sri Lanka, socialist party lanka
• Workers Power(Arbetarmakt), Sweden 
• Workers Power, USA 

Διασπάσεις 

• Revolutionary Communist International Tendency (RCIT)  2012
  • Austria   Brazil Britain Germany Nigeria  Occupied Palestine/Israel   Pakistan   Sri Lanka South Korea  USA, Russia
• Permanent Revolution 2006-12(συνεχίζουν μέσα από το Anticapitalist Initiative)

League for the Fourth International

• Fourth Internationalist League of Brazil (Liga Quarta-Internacionalista do Brasil, LQIB)
• Internationalist Group (Groupe Internationaliste), France
• Internationalist Group, USA

Liaison Committee for the Fourth International

• Socialist Fight, Great Britain
• Frente Comunista dos Trabalhadores – Brasil
• Socialist Workers League – EE.UU.
• Trotskyist Faction of Socialist Fight
• Tendencia Militante Bolchevique, Argentina

Liaison Committee

•   Communist Workers’ Group (USA) and Revolutionary Workers’ Group (Zimbabwe), Communist Workers’ Group of Aotearoa/New Zealand

Permanent Revolution Collective (Collectif Révolution Permanente / Colectivo Revolución Permanente)

• Bolshevik Group (Groupe Bolchevik) France
• GRUPPE KLASSENKAMPF, Austria 
• Colectivo Revolución Permanente en el Perú Leninismo Trotskismo

Socialism or Barbarism

• Movement towards Socialism (Movimiento al Socialismo, nuevo MAS), Argentina
• SoB France 
• SoBespañol 
  Socialism or Barbarism (Socialismo o Barbarie), Bolivia
• Socialism or Barbarism (Socialismo o Barbarie), Οnduras
• NPS, Costa Rica 
• Praxis Brazil

Socialist Workers Party Tendency
Tendency around the Socialist Workers Party (SWP) of the USA Periodical Militant

• Socialist Workers’ Party (SWP) periodical Militant, USA

Trotskyist Faction (Estrategia Internacional) (Fracción Trotskista (Estrategia Internacional), FT(EI))

• Workers’ Party for Socialism (Partido de Trabajadores por el Socialismo, PTS), Argentina
• Revolutionary Workers’ League for the Fourth International (Liga Obrera Revolucionaria por la Cuarta Internacional, LOR-CI), Bolivia
• Revolutionary Strategy (Estratégia Revolucionária), Brazil 
• PTR-CcC, CHILE
• Grupo RIO, sección simpatizante de la República Checa
• LRS (Liga de la Revolución Socialista) de Costa Rica
• Militantes de la FT en la CCR/Plataforma 4 del NPA de Francia.
• Grupo RIO, sección simpatizante, Germany
• Workers’ League for Socialism – Against the Current (Liga de Trabajadores por el Socialismo – ContraCorriente, LTS-CC), Mexico
• Clase Contra Clase,  SPAIN
• simpatizantes de la FT enUruguay

Posadist Fourth International

Secretariat of the Fourth International (USFI)
Periodicals International Viewpoint, Inprecor, Inprekorr, Inprecor America Latina

Member Organizations

• Socialist Workers Party (Parti Socialiste des Travailleurs / Akhabar Anemlay Nikhedamen /Hizb al-Ummal al-Ishtiraki, PST), Algeria
• Socialist Workers’ Party (Socialistische Arbeiders Partij / Parti Ouvrier Socialiste, SAP/POS), Belgium
• Socialist Democracy (Democracia Socialista) periodical, Brazil
  • Freedom and Revolution (Liberdade e Revolução) Brazil
• Socialist Left (Gauche Socialiste, GS), Canada/Quebec
• Socialist Workers’ Party (Socialistisk Arbejderparti, SAP), Denmark
• Nouveau Parti Anticapitaliste, (ΝΡΑ) πρώην Revolutionary Communist League (Ligue Communiste Révolutionnaire, LCR)
  • Arguments for Socialism (Arguments pour le Socialisme)
  • CCR/Plataforma 4 del NPA 
  • Débat révolutionnaire 
  • Workers Voice (Voix des Travailleurs, VdT)
• International Socialist Left(Internationale Sozialistische Linke, ISL), Germany
• Revolutionary Socialist League (Revolutionär Sozialistischer Bund, RSB), Germany
• Russian Socialist Movement
• International Socialist Group (ISG), Great Britain
• Organization of Communist Internationalists of Greece-Spartacus(Οργάνωση Κομμουνιστων Διεθνιστων Ελλαδας, ΟΚΔΕ-Σπάρτακος)
• Socialist Revolution Group (Groupe Révolution Socialiste, GRS), Guadeloupe/Martinique
• Socialist Democracy, Ireland
• Sinistra Anticapitalista, (προέρχεται από την Sinistra Critica, συνεχεια της Bandiera Rossa Association(Associazione Bandiera Rossa, ABR), Italy
• Socialist Convergence (Convergencia Socialista), Mexico
• Socialist Alternative Politics (Socialistische Alternatieve Politiek), Netherlands 
• Internationalist League of Norway (Forbundet Internasjonalen i Norge, FIN)
• Revolutionary Socialist Political Association (Associação Política Socialista Revolucionária, APSR) periodical Combate, Portugal
• Political Education Workshop (Taller de Formación Política, TFP), Puerto Rico
• Alternative Left (Izquierda Alternativa, IA) periodical Viento Sur, Spain
• Collective for an Alternative Left (Col.lectiu per una Esquerra Alternativa, CEA), Spain/Catalonia
• New Equal Society Party (Nava Sama Samaja Pakshaya, NSSP), Sri Lanka
• Socialist Party (Socialistiska Partiet, SP), Sweden
• Socialist Alternative / Solidarity (Sozialistische Alternative / Solidarität, SOAL), Switzerland

Sympathising Organizations

• Socialist Democracy, Australia
• Socialist Action, Canada
• October Review Group (Shih Yueh P’ing Lun), English articles, China/Hongkong
• Japan Revolutionary Communist League (Nihon Kakumeiteki Kyôsanshugisha Dômei, JRCL)
• National Council of Internationalist Workers (Kokusaishugi Rôdôsha Zenkoku Kyôgikai), Japan
  
• Socialist Unity League (Liga de Unidad Socialista, LUS), Mexico
• Militant (Al-Mounadhil), Morocco
  
• Revolutionary Left Current (Nurt Lewicy Rewolucyjnej, NLR), Poland
• Socialist Workers’ Party (Partido Socialista de los Trabajadores, PST), Uruguay 
• Socialist Action, USA

Organizations including USFI supporters

• New Socialist Group, Canada
• Movement of the National Left (Muvimentu di a Manca Naziunale), France/Corsica
• Association for Solidarity Perspectives (Verein für Solidarische Perspektiven), Germany
• Movement for a Reunionese Alternative to the Neoliberal Order (Mouvement pour une Alternative Réunionnaise à l’Ordre Néolibéral, MARON)
• Act Together/African Party for Democracy and Socialism (And Jëf/Parti africain pour la Démocratie et le Socialisme, AJ/PADS), Senegal
• Alternative Space (Espacio Alternativo), Spain
  • Alternative Galicia (Galiza Alternativa)
  • Alternative Left (Izquierda Alternativa, IA) periodical Viento Sur
  • Alternative Space (Espai Alternatiu)
  • Andalusian Revolutionary Space (Espacio Revolucionario Andaluz)
  • Rainbow (Arcoiris)
  • Shock (Batzac)
• Stand up (Zutik), Spain/Basque Country
• Movement for Socialism (Bewegung für den Sozialismus / Mouvement pour le Socialisme / Movimento per il Socialismo, BFS/MPS) regional groups, Switzerland
• Freedom and Solidarity Party (Özgürlük ve Dayanisma Partisi, ÖDP), Turkey
• Labor Standard, mirror page, USA
• Solidarity, USA
• Socialist Workers’ Movement (Movimiento Socialista de los Trabajadores, MST)
• La Commune Group (Groupe «La Commune»), France

Αλλες οργανωσεις τροτσκιστικής αναφοράς και καταγωγής, χωρίς διεθνες κέντρο

• Revolutionary Socialism (Socialismo Revolucionario), Argentina, split from PTS
• Revolutionary Socialist League (Liga Socialista Revolucionaria, LSR), Argentina, split of MAS
• Socialist Workers’ Union (Unión Socialista de los Trabajadores, UST), Argentina
• Democratic Socialist Perspective (DSP), Australia, ex-USFI
• Workers’ Liberty, Australia, linked to British AWL
• Anti-fascist Left (Antifaschistische Linke, AL), Austria
• Group for Revolutionary Workers Politics (Gruppe für Revolutionäre Arbeiter/innenpolitik, GRA), Austria
• Working Group Marxism (Arbeitsgruppe Marxismus, AGM), Austria
• Internationalist Bolshevik League (Liga Bolchevique Internacionalista, LBI), Brazil
• Socialism and Freedom Collective (Coletivo Socialismo e Liberdade), Brazil 
• Socialist Voice, Canada
• Pioneer, China/Hongkong, ex-USFI
• Workers’ Power (Poder Obrero), Colombia
• Revolutionary Socialists (Ishtirakiyin al-Thawriyin), Egypt
• Circle for the Construction of the Revolutionary Workers Party, of the Revolutionary Workers International (Cercle pour la Construction du Parti Ouvrier Révolutionnaire, de l’Internationale Ouvrière Révolutionnaire), France
• Committee for the Construction of the Revolutionary Workers’ Party (Comité pour la Construction du Parti Ouvrier Révolutionnaire), France
  • Public Faction «Fighting for Socialism» (Fraction Publique «Combattre pour le Socialisme»), France
• Federation of the Circles «Le Marxisme d’Aujourd’hui» (Fédération des Cercles «Le Marxisme aujourd’hui»), France
• Internationalist Revolutionary Communist Group (Groupe Communiste Revolutionnaire Internationaliste, Groupe CRI), France
• New Communist Left / Popular Association for Mutual Aid (Nouvelle Gauche Communiste / Association Populaire d’Entraide), France
• Revolutionary Convergences (Convergences Révolutionnaires), France, Étincelle faction of Lutte Ouvrière and former Révolution! faction of LCR
• Marxist Theory and Politics Working Group (Arbeitskreis «Marxistische Theorie und Politik»), Germany, ex-LTT
• Alliance for Workers’ Liberty (AWL), Great Britain, linked to Australian Workers’ Liberty
• International Socialist Movement – Marxist Platform of the Scottish Socialist Party (ISM), Great Britain, formerly in CWI
• Revolutionary Democratic Group (RDG), Great Britain
• Socialist Action Group periodical Socialist Action Review, Great Britain, ex-USFI
• Communist League – Workers Power (Κομμουνιστικός ¨Συνδεσμος Εργατική Εξουσία), Greece
• Organization of Communist Internationalists of Greece – Workers Struggle(Οργάνωση Κομμουνιστών Διεθνιστών Ελάδας, Εργατική Πάλη)
• Reds Association (Associazione Reds), Italy
• Fourth International Central Secretariat (Dayon Intânashonaru Chûô Shokikyoku), Japan
• Fourth International Japan Section Reconstruction Preparation Group (Dayon Intânashonaru Nihon Shibu Saiken Jumbi Gurûpu), Japan
• Japan Revolutionary Communist League, National Committee/Middle Core Faction (Kakumeiteki Kyôsanshugisha Dômei, Zenkoku Iinkai/Chûkakû-ha, Chûkakû-ha)
• Japan Revolutionary Communist League – Revolutionary Marxist Faction (Nihon Kakumeiteki Kyôsanshugisha Dômei – Kakumeiteki Marukusushugi-ha, Kakumaru-ha)
• Kenya Socialist Democratic Alliance (KSDA)
• Labour Party Pakistan (LPP), formerly in CWI
• Workers’ Tribune Group (Grupo Tribuna Obrera), Paraguay
• Spartacist Communist Group of the Portuguese Workers (Grupo Espartaquista Comunista do Operariado Português, GECOP)
• Revolutionary Workers Party (Revoliutsionnaya Rabochaya Partiya, RPP), Russia
• Revolutionary Workers Party (Revoliutsionnaya Rabochaya Partiya, RRP), Russia
• Communist (Komunist), mirror page, Serbia and Montenegro
• Workers International Vanguard League (WIVL), South Africa
• In Defence of Marxism (En Defensa del Marxismo), Spain, close to ITO and PO-Tendency
• Marxist League (Liga Marxista), Spain/Canary Islands
• Marxist Propaganda Group (Grupo de Propaganda Marxista, GPM), Spain
• New Clarity (Nuevo Claridad), Spain, ex-CWI
• Revolutionary Workers’ Party (Partido Obrero Revolucionario/Partit Obrer Revolucionari, POR), ex-UIT, Spain
• Socialist Alternative (Socialistiskt Alternativ), split from Arbetarmakt, Sweden
• Workers’ Democratic Association (Gongren Minzhu Xiehui, WDA), Taiwan
• Liberation Party of Kurdistan (Partîya Rizgarîya Kurdistan / Kürdistan Kurtulus Partisi, PRK/Rizgari), Turkey
• Workers Struggle (Isçi Mücadelesi), Turkey
• Freedom Socialist Party (FSP), USA, Canada, Australia
• Labor’s Militant Voice, mirror page, USA, split from Labor Militant (CWI)
• Socialist Workers Organization (SWO) periodical Socialist Viewpoint, USA, split from Socialist Action
• Truth, ex-UIT, USA
• Workers Democracy Network, USA
• Socialist Left Movement(Movimento Esquerda Socialista), Brazil
• Oposição Operária, Brazil
• Communist Workers Group (CWG), New Zealand
• Construction Committee for a Revolutionary Workers’ Party(Comité Constructor por un Partido Obrero Revolucionario), Argentina

Ex-Trotskyists

Marxists-Humanists

• Corresponding Committee periodical Hobgoblin, Great Britain
• Freedom Council (Anjoman Azadi), Iran
• News & Letters Committees, USA

Socialist Utopia (Utopia Socialista)

• Revolutionary Socialism (Socialismo Rivoluzionario, SR), ex-LIT-CI
• Libertarian Socialism (Socialismo Libertario), Spain

Others

• Revolutionary Workers’ Party (Partido Revolucionario de los Trabajadores, PRT), Argentina
• Revolutionary Communist League (Revolutionär Kommunistische Liga, RKL) periodical Bruchlinien
• Group of International Socialists (Gruppe Internationaler SozialistInnen, GIS), Germany, split from Linksruck
• Movement for a Socialist Future (MSF), Great Britain
• Peace and Progress, Great Britain, ex-Marxist Party
• Red Action, Great Britain
• Workers World Party (WWP), USA

Socialismo Internacional

• Proletarian Platform(Platforma Proletariacka), Poland