Patreon - Patreon enables fans to give ongoing support to their favorite creators.
Podia - Podia is your all-in-one digital storefront. The easiest way to sell online courses, memberships and downloads, no technical skills required. Try it free!
Ko-fi - Ko-fi offers a friendly way for content creators to get paid for their work.
Tipeee - "Tip" the creators you like.
Worthyt Appreciations - Support good content all around the internet
Cloud Patron - Open source Patreon alternative