HEATKEYS

SecurityFocus is designed to facilitate discussion on computer security related topics, create computer security awareness, and to provide the Internet's largest and most comprehensive database of computer security knowledge and resources to...

Security mailing list archive for the Nmap lists, Bugtraq, Full Disclosure, Security Basics, Pen-test, and dozens more. Search capabilities and RSS feeds with smart excerpts are available

Comprehensive CVE vulnerability database that integrates all U.S. Government publicly available vulnerability resources. Repository of information technology security content automation.

Juniper Networks offers high-performance network solutions that help service providers, enterprises, and public sector organizations create value and accelerate business success.

BODHost - Knowledgebase providing information on Dedicated Servers, VPS Hosting, Windows VPS Hosting

Freecode maintains the Web

HowtoForge - Linux Howtos and Tutorials

Ohloh is an open source directory that anyone can edit. It features comprehensive metrics and analysis on thousands of open source projects.