On this page you can find my software devlopment for some projects. You might contribute to the development and ask for write access (<reiner[at]lanowski.de>).Most of the software sourcecode here is licensed under GPL 2.0 (or higher, on your choise).
The GPL can be found here.
You might download the code using subversion:
svn co http://svn.lanowski.de/dev/z80/<(CPC|TFX)> <any/local/path/on/your/disc/>
svn co http://svn.lanowski.de/dev/linux/<(gEDA|MySQLFS)> <any/local/path/on/your/disc/>
You can get more information regarding subversion here.