French Federal Democratic Republic (Français République Fédérale Démocratique)
Name: Revolutionary Communist League Ligue communiste révolutionnaire
Founding: 1974
Ideology: Luxemburgism, Democratic Socialism. (in the past -Trotskyists).
Overview: The Vanguard of French Socialism. Proponents of workers' self-government. The ruling party at the moment.
Name: Left Party Parti de Gauche
Founding: 1994
Ideology: Anarcho-Collectivism, Environmentalism.
Overview: The second most popular party in France. Supporters of the expansion of the independence of enterprises, decentralization of political management, ruralism. Also active fighters for the environment.
Name: Workers' Communist Party of France Parti communiste des ouvriers de France
Founding: 1979
Ideology: Neo-Stalinism
Overview: A radical political party that stands for an active state interference in the life of society, for fighting the "counter-revolutionary elements."
Name: Citizen and Republican Movement Mouvement républicain et citoyen
Founding: 1993
Ideology: Marxism-Leninism, Patriotism.
Overview: Political party, which focuses attention on patriotism, and political independence of France.
Name: National Liberation Front Front national de libération
Founding: 1993
Ideology: Populism, Social-Liberalism.
Overview: Union of various political forces that did not accept social change. In the cultural plan, they defend "national and Christian values", in economic terms - freedom of entrepreneurship.
British Federal Republic (Gweriniaeth Ffederal Prydain, Bhreatainn Poblachd Feadarail)
Name: Labor Party (Pàrtaidh Làbarach)
Founding: 1900
Ideology: Socialism, Conservatism.
Overview: After the Conservatives discredited themselves, new times have come for the Laborites. The new situation required radical measures - a course was announced for the building of socialism (an alternative Soviet model), and the monarchy was eliminated. Nowadays - the main political force in Britain.
Name: Communist Party of Great Britain (Pàrtaidh Chomannach aig Breatainn, Plaid Gomiwnyddol Prydain )
Founding: 1920
Ideology: Marxism-Leninism (Stalinism)
Overview: A party that considers itself to be the true stronghold of communism in Britain. He advocates for even closer rapprochement with the Soviet Union and the elimination of "harmful elements".
Name: Independent Socialist Party (Blaid Sosialaidd Annibynnol, Neo-eisimeileach Pàrtaidh Sòisealach)
Founding: 1996
Ideology: Democratic Socialism, Feminism, Rights of Minorities.
Overview: They broke away from the Labor Party. They are similar to them economically, but they consider that significant cultural transformations are needed.
Name: Green Federation (Ffederasiwn Gwyrdd, Caidreachas Uaine)
Founding: 2003
Ideology: Green Syndicalism, Celtic Cultural Nationalism.
Overview: The fighters for the environment, decentralization, and for the identity of the Celtic peoples.
Name: Liberal-Conservative Party.
Founding: 1996
Ideology: Nationalism, Keynesianism.
Overview: They are fighting for the revival of the good old Britain ....
Socialist Republic of Italy
Name: Italian Communist Party Partito Comunista Italiano
Founding: 1943
Ideology: Marxism, Revolutionary Socialism.
Overview: Vanguard of communist construction in Italy.
Name: Party of Social Development Partito per lo Sviluppo Sociale
Founding: 1994
Ideology: Ecosocialism, Humanism
Overview: Party emphasizing the environment, and human rights..
Name: Italian Marxist-Leninist Party Partito Marxista-Leninista Italiano
Founding: 1977
Ideology: Anti-revisionism
Overview: A radical political party that stands for an active state interference in the life of society, for fighting the "counter-revolutionary elements."
Name: Christian Social Union L'Unione cristiano sociale
Founding: 1993
Ideology: Christian Socialism, Social-Conservatism
Overview: Vindicators of Christianity, as the key to social unity.
PS - if you want, I can do other countries, from this same world.