DSA, PSL, IWW, the Peoples Party, the Green Party, John Brown Gun Club, SRA, BLM, Food Not Bombs. Rather than bemoaning that there is no leftist organisation why not critique any of them and guide people to them? Instead they try to get Bernie elected that failed so they aren't willing to throw some weight behind anything else.

Hell Felix made a joke about Mike Gravel and a couple of teens took ran with it.

CTHpod: "this is a bit cringe"

Gravel teens: *create a youtube channel to fight pragerU

Edit: I forgot the sunrise movement, and various unions. Join your union folks.