Ghostscript-ohjelmiston kehittänyt Artifex Software on haastanut äänestyskoneyhtiö Dieboldin oikeuteen yleisen GNU-lisenssin rikkomisesta. Ghostscript on avoimen GNU GPL -lisenssin alainen tulkkiohjelmisto Adobe Systemsin kehittämille PostScipt- ja PDF-kuvauskielille. Lisenssi estää ohjelmiston käytön kaupallisissa, suljetuissa järjestelmissä.
This article by Kevin Dankwardt explores the issue of whether non-GPL loadable Linux drivers are really not a problem. While many Linux developers assume that binary-only drivers are acceptable, there are growing technical reasons to avoid them. New features in tools and in the Linux kernel hamper the acceptability of non-GPL loadable modules. Also, the widely held belief that non-GPL loadable modules do not violate the Linux kernel's GPL license, due to an exception authorized by Linus Torvalds, is called into question.
"I am not the only person who has noticed that WordPress is released under the GNU General Public License. In the license, it very plainly states:
You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License.
The only conclusion is that if your theme executes functions that are provided by WordPress, then your theme is indelibly connected to WordPress, and must itself be made available under the same terms as WordPress"
"In this whitepaper, Heather Meeker, attorney at Greenberg Traurig, explains the factors you should consider when deciding what licensing option to choose for a product offered under a dual licensing model."
Looking at kernel patches from the various vendors, I'd say the code quality is _by far_ off any scale that would ever even remotely be considered to be suitable for upstream inclusion.