Technet is Oracle's technological web-site. As opposed to Oracle.com where sales and marketing information lives, here you can find documentation, how-tos, code tutorials and other technical articles.

Provider of management consulting and software for organizations using Oracle and Peoplesoft Applications.

Oracle's VP, Core Technologies within the Oracle Support organization is a brilliant technologist named Tom Kyte. Also the author or Oracle Expert One-on-One, asktom is a great site where you can ask an expert how to achieve complicated deliverables in Oracle.

Exchange information and solve problems through mutual discussions. Also voluntary mailing lists.

Content, community, and service for Oracle professionals. Technical discussion, job postings, an integrated directory and news.

Oracle 10g technical support forums and mutual help system for computer professionals. Selling and recruiting forbidden.

Paid customer-support portal for Oracle customers. If you are a customer, you can easily create an account here just by knowing your CSI (Customer Support ID.)

Technical discussion for all aspects of the Oracle database and DBA tools.