The original list seems to have gone, so here's a replacement list which I'm sure many will find helpful.
Please let me know what has been added or removed from Netflix!
Not on Letterboxd:
Ave Maryam (2019)
Good game: The Beginning
Legend of the Fist: the Return of Donnie Yen (2009)
Maharaja: the Story of Ranjit Singh (2010)
Million Pound Motors (2015)
Party Monster: Scratching the Surface (2018)
Real Crime: Diamond Geezers (2008)
Real Crime: Supermarket Heist (2010)
Sam Kinison: The Scream Continues (2016)
Stars in the sky: a hunting story (2018)
Stealing Zahi story (2006)
The Letter Factory (2003)
Wild Raghda (2018)