QCad Free is a project based on RibbonSoft's QCad 220.127.116.11 and 18.104.22.168 community editions. It aims to an extendable CAD software with additional features.
At this moment (March 18 2009) it consists of version 22.214.171.124 with polyline support from 126.96.36.199 + additional arc modes and misc bug fixes.
November 13 2010: Japanese Translation is updated.
October 22 2010: the project has been stalled for a long time. I haven't got time for it. Added Japanese translation by Takeshi Hamasaki.
Source : qcad-free-090318.tar.bz2Takeshi Hamasaki is working on Japanese translation. You can get it here: Japanese translation
This software is open source and is licensed under the GPL. http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
You can contact me at: j dot frilander at gmail dot com
Takeshi Hamasaki, Japanese translator: hmatrjp at users dot sourceforge dot jp