Scrollstack might be a bit more popular than Ko-fi Shop. We know about 1 link to it since March 2021 and only 1 link to Ko-fi Shop. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you're only selling a digital file, you wouldn't sell it on Redbubble, they don't offer that service. You can sell digital files on etsy, gumroad, ko-fi etc. They'll take a cut for handling hosting, payment processing etc. Source: almost 2 years ago
You might want to take a look at https://scrollstack.com/ Disclaimer: I'm part of their Engineering team. - Source: Hacker News / almost 3 years ago
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