GPL and free software licensing: What's in it for business? By Richard Hillesley | June 15, 2012, 9:31 AM PDT  Copyleft or free software licensing helps ensure open standards and the continuity of the code. Photo: Shutterstock For a variety of reasons business is often seen as antipathetic to copyleft licensing. The GPL - the GNU General Public License - the most popular copyleft licence, sometimes gets a hostile press, often for reasons that don't reflect its real and positive effects. Arguments about the pros and cons of copyleft and permissive licensing go back a long way. A permissive licence is as it says, and allows the user to copy, repackage, sell, or change the code in any way the user likes, as long as some form of attribution is given. A copyleft licence, such as the GPL, gives similar rights but ensures reciprocity by obliging those who distribute the code to pass on the same rights to others, unimpaired, which by definition includes giving access to the source cod...
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