Subbable is from author John Green and his brother Hank (the vlogbrothers). You can make a one-time payment or sign up for a monthly subscription. There are perks, just like on most crowdfunding sites. If you’re a YouTube creator, you can apply join the site here.
From Jack Conte, one half of YouTube superstars Pomplamoose, comes Patreon, which lets you subscribe to a set payment per creation. Patreon artists can also provide perks. To sign up as a creator, first join and then make a creator profile. (Hear Jack talk about the site on the most recent New Disruptors podcast.)
(If you had any doubt that YouTube is a terrible way to make money, see exhibits A and B above.)
I defy you to name something better than The Bad Plus to listen to while writing.