René Nyffenegger's collection of things on the web
René Nyffenegger on Oracle - Most wanted - Feedback -

Oracle Links

Tom Kyte answers a lot of question at Asktom.
Unix and Oracle is Ixora.
A German Mirror of the Oracle FAQ. German as in germany, not written in german. This FAQ has for example a glossary.
Search Oracle Online on Tahiti.
ITToolbox is a knowledge base for Oracle professionals where vendors and developers can post papers and participate in discussion groups.