Zipsell - A free, open source platform for selling digital downloads
Paybear - Easily accept 7+ cryptocurrencies in your shop or app.
Ko-fi - Ko-fi offers a friendly way for content creators to get paid for their work.
Tippin - Tip anybody on Twitter with Bitcoin
SuperPay - Get paid faster with your own custom payments page
Munt - Accept multiple cryptocurrencies with just 5 lines of code