Calibre ebook converter being ripped-off

The Hamster Free eBook Converter (HFEC) made by HamsterSoft, is using portions of calibre in their proprietary application in violation of the GNU GPL version 3 (GPL v3) that calibre is licensed under.

Whether you want to support a company like HamsterSoft is up to you, but I’m going to boycott it.

The full article on this matter, somewhat technical at times, may be read here.