The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. The overall goal of the LDP is to collaborate in all of the issues of Linux documentation.

Linux.com - For the community, by the community, Linux.com strives to be the central source for informed, reasonable, and intelligent Linux information, software, documentation and answers across the server, desktop/netbook, mobile, and embedded areas.

Introduction to Linux and open-source software for new users, written in plain English. Includes detailed tutorials

An overclocking forum devoted to maximizing the performance of graphics cards, CPUs, motherboards, RAM and everything else found inside your computer case.

Red Hat is the world's leading open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions, server and desktop operating systems, Java application software and services, and the JBoss Enterprise Middleware Suite.

Locate content on Java and PL/SQL programming, advanced mathematics as well as in-depth facts on administrating an Oracle Database. Oracle Database Administration, SQL Server Database Administration, DBA Tips, DBA Scripts, Developer Information, UNIX, Linux, Programming in PL/SQL and Java, and my resume.