“At last count, the Open Source Initiative (OSI) recognized
nearly 60 different open-source licenses. If you just want to
install and use a packaged application, the license under which it
was released shouldn’t matter much. But it’s particularly important
to pay attention to licensing terms if you want to modify the code
or use it in your own projects.“Easily the most recognizable open-source license, and one of
the most popular among developers, is the GNU GPL. The GPL can be a
problem for companies looking to develop proprietary applications
because of its strict guidelines on reciprocal code sharing…”