Australia: Green
Austria: Green
Belgium: Green
Brazil: Brazilian Socialist Party
Canada: NDP
Cyprus: Progressive Party of Working People
Czech Republic: Communist Party of Bohemia and Moravia
Denmark: Red–Green Alliance
Finland: Left Alliance
France: Left Front
Germany: The Left
Greece: SYRIZA
Greenland: Inuit Party
Iceland: Left-Green Movement
Ireland: United Left Alliance (or what remains of it)
India: Left Front
Israel: Meretz
Italy: Left Ecology Freedom
Japan: Japanese Communist Party
Luxembourg: The Left
Malta: Labour Party
Mexico: Party of the Democratic Revolution
Netherlands: Socialist Party
New Zealand: Alliance
Norway: Socialist Left
Poland: Polish Labour Party
Portugal: Left Bloc
South Africa: Workers and Socialist Party
South Korea: Unified Progressive Party
Spain: United Left
Sweden: Left
Switzerland: Green
United States: Green
A Best fit for you would be PSOL in Brazil! (Socialism and Freedom Party) The PSB has cooled its agenda!