Lemon Squeezy might be a bit more popular than Facebook Design Resources. We know about 2 links to it since March 2021 and only 2 links to Facebook Design Resources. 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.
Spotify isn't doing anything unique here, and it's not really a marketing campaign to explain away their UI. It's more of a showcase for hiring professionals, developers/designers/etc. Facebook has a similar one -> https://design.facebook.com/. Source: almost 3 years ago
Also, read anything published by Design @ Facebook. Source: about 3 years ago
Then for me this would mean carrd . In many case pre-revenue might mean also pre-tons-of-features and would fit a simple site with very short and clear message. I built this one useGenerated.com in one hour including buying the domain, it's a dev tool hence the style and I plan to keep this one post revenue as well, just add 2 more sections a price, connect it to gumroad.com or lemonsqueezy.com for payments. Source: over 1 year ago
Or a newly launched services called http://lemonsqueezy.com/. Source: over 2 years ago
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