參考網站

Register相關
http://sunh.hosp.ncku.edu.tw/~cww/html/wreg.html

Licenses
http://www.openfoundry.org/Law-and-Policy/Licenses/

Programming with Clutter
http://www.openismus.com/documents/clutter_tutorial/1.0/docs/tutorial/html/index.html

Observer pattern
http://en.wikipedia.org/wiki/Observer_pattern

Set - C++ Reference
http://www.cplusplus.com/reference/stl/set/

用Open Source工具開發軟體
http://www.study-area.org/cyril/opentools/opentools/book1.html