@meduz usually AGPL is enough to strike enough fear into corporations to avoid using it.
otherwise, you risk greatly offending the OSI / FSF defenders on using the term "Open Source" to define your project, since limiting commercial use is a restriction on "freedom zero".
alternatively, you may want to look into "ethical source" licenses, there's a few floating around. Or do something with CC-BY-NC, which would be completely incompatible with commercial usage.
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