For FOSS I personally prefer Apache 2.0 license, as 10 years from now I have no idea what people will need for their projects. Personally, it makes me happy if people can make a business using a bit of my work. Just don't redirect commercial support tickets onto community projects, or get neglected customers to contact authors. The way I see it... is symbiotic commercial relationships are important, as people can get…
Copyleft doesn't say that they can't, it says they have to make their changes available