Dual licensing can capture profits others generate using your open source project, but a few pitfalls make it tricky to get right.
Here's a quick thread (and blog post) summarizing my 10+ hours of research into popular projects that implement it (MongoDB, Qt, and JUCE):
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Are there "single" licenses (or license templates) that allow this (getting profit from commercial use)? Do they save from all the trouble with CLAs (sending a PR == agreeing to the license)?
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Maybe, but those licenses wouldn't be "open source" if they exist. It would be proprietary software. But you are right that it would save CLA trouble. There would be no relicensing.
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The code still will be open source and open to contributions, even though the licence isn't "open source", so who cares :) Thanks for the answer! I wonder if there are licenses like this that I can use.
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