It's all the same Marxists, Far Left , Communism ,Trotskys ,Bolsheviks, Socialist Worker Parties ,CCCP could list for hours , they all gave a single hatred western capitalism, and so many are unsuccessful or popular, those who are are controlled by dictators..
Take your pick from this lot https://en.m.wikipedia.org/wiki/List_of_left-wing_political_parties
Sorry not for me