International Trotskyist Opposition
PDSAll the Leftist Parties in the World!
International Workers League (LIT)
Liebknecht-Luxemburg-Demonstration
Revolutionär Sozialistischer Bund
Other Parties of the Movement for the Refoundation of the IV.International
Partido Obrero (Argentina)
Partido del los Trabajadores (Uruguay)
Colectivo En Defensa del Marxism (Spain)