Edit: I don't know how to cross-post to /c/movies, so if somebody would be so kind.

It's in the link to reddit in the OP, but here you go anyway:

Leftist Movies

• The Pervert's Guide to Ideology (2012)
• Andrei Rublev (1966)
• Ni Dieu ni maitre - Une histoire de l'anarchisme
• The Anarchists (2000)
• Punishment Park (1971)
• The Pervert's Guide to Cinema (2006)
• Influenza (2004)
• Surplus - Terrorized Into Being Consumers (2003)
• Black Girl (1966)
• Elite Squad 1 & 2
• Soy Cuba (1964)
• Good Night, and Good Luck. (2005)
• The Battle of Algiers (1966)
• Shoplifters (2018)
• Confessions of a Police Captain (1971)
• Black God, White Devil (1964)
• State of Siege (1972)
• Killer of Sheep (1978)
• Good Bye, Lenin! (2003)
• The Corporation (2003)
• We Make Couples (2016)
• The Hour of Furnaces (1968)
• Strike (1925)
• Libertarias (1996)
• Land and Freedom (1995)
• Yi Yi (2000)
• Is the Man Who Is Tall Happy (2013)
• Accidental Anarchist (2019)
• Harlan County, USA (1976)

Leftist Movies 2

• Che Part One (2008)
• Che Part Two (2009)
• Bacurau (2019)
• The Wind That Shakes the Barley (2006)
• Persepolis (2007)
• Rosa Luxemburg (1986)
• Diaz - Don't Clean Up This Blood (2012)
• The Human Condition I No Greater Love (1959)
• La Chinoise (1967)
• Matewan (1987)
• Kes (1969)
• The Human Condition II Road to Eternity (1959)
• Do Not Resist (2016)
• The Human Condition III A Soldier's Prayer (1961)
• La Commune, Paris 1871 (2000)
• Death by Hanging (1968)
• Investigation of a Citizen Above Suspicion (1970)

Leftist Movies 3

• Walkabout (1971)
• Reds (1981)
• 1900 (1976)
• Come And See (1985)
• Germinal (1993)
• Let The Fire Burn (2013)
• Let's Not Live Like Slaves (2013)
• The Age of Surveillance Capitalism (2019)
• The Motorcycle Diaries (2004)
• The Shock Doctrine (2009)
• The Trotsky (2009)
• They Live (1988)
• Sorry To Bother You (2018)
• I, Daniel Blake (2016)
• Z (1969)

Leftist Movies 4

• A Grin Without a Cat (1977)
• The Spook Who Sat By The Door (1973)
• Two Days One Night (2014)
• The Baader Meinhof Complex (2008)
• Selma (2014)
• Eros Plus Massacre (1969)
• Norma Rae (1979)
• Salt of the Earth (1954)
• The Edukators (2004)
• The Black Panthers Vanguard of The Revolution (2015)