Wiki Wiki's starting point for information on popular OOAD methodology in HP, but a bit obscure outside. Latest version UML-based, so may be more accessible than its predecessor, Classic Fusion. An iterative intermediary: EvoFusion.
The original wiki, created by Ward Cunningham in 1995, from which all other wikis are descended. Discusses a wide range of software-related topics, such as pattern languages and Extreme Programming.