Then just go and create whatever and however you feel like.
If you're talented and lucky enough - something will stick some day.
It's useful to stay within some niche for enough time to build solid skills. To have a backup plan of regular job if you're not lucky.
Could open source really "really" earn money? I am not sure now.
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but it's still gonna be a real business, where crafting beautiful code is a critical, but very small part of it
Then just go and create whatever and however you feel like.
If you're talented and lucky enough - something will stick some day.
It's useful to stay within some niche for enough time to build solid skills. To have a backup plan of regular job if you're not lucky.