How is this proprietary? The license says that you can do anything you want to do with it.<p>This sounds pretty similar to WTFPL[0], and WTFPL is listed[1] as a GPL-compatible free software license by the FSF.<p>0 - <a href="http:&#x2F;&#x2F;www.wtfpl.net&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.wtfpl.net&#x2F;</a><p>1 - <a href="http:&#x2F;&#x2F;www.gnu.org&#x2F;licenses&#x2F;license-list.en.html#WTFPL" rel="nofollow">http:&#x2F;&#x2F;www.gnu.org&#x2F;licenses&#x2F;license-list.en.html#WTFPL</a>