The Industry choice

[Paul Rubin]

aleaxit at yahoo.com (Alex Martelli) writes:
> Yes, apart from libraries and similar cases (frameworks etc), it's no
> doubt rare for closed-source "end-user packages" to be sold with
> licenses that include source and allow you to "do anything with it".
> 
> However, allowing customization (at least for internal use within the
> customer organization), while rare, is far from unheard of.

There's no obstacle to doing that with GPL'd software either.