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by jchook 2468 days ago
I have seen many OSS projects that enforce exactly this. One example that comes to mind, HighCharts.js — free until you make any money.

https://shop.highsoft.com/highcharts/
2 comments
greglindahl 2468 days ago
It's not "free software" or "open source". It's proprietary software that's source available. If that's what you want to write or use, great.
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lonelappde 2468 days ago
That's not Free Software.
link