http://en.wikipedia.org/wiki/Hacktiv...ense_Agreement
http://www.hacktivismo.com/about/hessla.php
http://www.gnu.org/licenses/hessla.html
Software that restricts its use, is by definition not-free. As to weather developers could/should ask certain groups to not use their software, then OFC they can/should, they produced it they can ask/say what they want about it.
Bookmarks