General programming links

Extending Jira -- Jira is an issue tracking system
Object Oriented Design
http://www.cetus-links.org/oo_patterns.html
About software requirements
Funny: automatic code documentation
The Programmers' Stone
(Dutch) Homepage van Peter den Brok docent aan de Hogeschool Rotterdam, met gratis readers over logica, informatietheorie, wiskunde, enzovoort