Dear Maho, My name is Martin Owens and I am the volunteer website administrator. Inkscape is a Free and Open Source Software product and is licensed under the GPLv2 (General Public License). Thus you may use Inkscape for any reason without limitation. You are also allowed to freely distribute and modify Inkscape so long as you follow the copy-left rules contained in the GPLv2 (General Public License) [1]. Please use this quick graphical guide if you wish to understand Free and Open Source and how and why it exists in more depth: http://fav.me/d5cjtke Best Regards, Martin Owens 1. http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html