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Isn't that the whole point of "Show HN"? Or what do you expect when you click on a "Show HN" story?
My train of thought when I saw the link "a key-value store": what data-structure are they using? A hashmap? How are they resolving conflicts? Is it in memory? How are they persisting data? Do they support multiple instances? What about concurrency? etc.
Of course I might be a bit disappointed when the project is just 4 web APIs on top of sqlite table.