This page is not legal advice, and nothing in it is a substitute for reading the licence attached to the specific checkpoint you are using or for asking a qualified lawyer. Licence texts are revised, differ between releases in the same family, and sometimes differ between sizes in the same release. What follows is a map of what to read and which clauses tend to matter. Four separate licences, not one “Can I use this model commercially?” is four questions wearing one coat. Each la...