An open source MySQL database management tool.

Freeware tool that provides quick and easy database development and administration.

Cacti is a frontend, PHP driven RRDTool that stores all of the necessary information to create graphs and populate them with data in a MySQL database.

This site has information for system administrators; hosted by Sun Microsystems.

A database support community

Trace the route taken by an email via Google Maps.

Article explains how to take advantage of the GMail's SMTP server.

A resource site of articles, forums, and news regarding Microsoft Exchange.

Tutorial on how to build a customized portable mail client on a USB thumbdrive.

This site provides downloads and information for PHPMailer, a full featured email transfer class for PHP.

Disk Investigator is a program that allows you to see everything on your computer's hard disk, undelete previously deleted files, and recover lost data

Recommends free tools to use in order to recover lost data.

NTFS.com host a collection of freeware and shareware data recovery tools.

BartPE is a preinstalled environment builder for windows.

GParted is the Gnome Partition Editor application that helps you re-organize the partitions on a computer hard drive.

An online internet upload/download speed testing service. Does a much better job than mcafee's speedometer and is much more professional looking, providing more information regarding where you are geographically.

This website gives information on how how to fix commonly occurring problems on Windows XP.

Free DNS service, which makes your internetting faster, safer and more reliable (DNS converts your URLs to IP addresses).

TightVNC is a free remote control software package derived from the popular VNC software.

CAcert.org is a community driven, Certificate Authority that issues certificates to the public at large for FREE.

Web-based interface for system administration for Unix web programing tool.

Provides advice on Linux installation, setup, and use for users who are unfamiliar with the operating system.

Hosted at the Linux Doc Project, Linux Administration Made Easy is a solid introduction to Linux, from the fundamental concepts to compiling a kernel.

A guide to IP Layer Network Administration with Linux.

Website for LDAP Administration Tool downloads

A collection of helpful scripts for the Macintosh.

How to create your own .mac replacement.

Do you want to use your Mac from any PC over the internet? This guide demonstrates how you can using SSH tunnels and VNC screen-sharing software. The site explains how to do this in a secure, fast, cross-platform manner using open source software.

Running Apple's Backup Without a .Mac Account.

A website for Macintosh news, events, products, and download specials for members. Site also has RSS feeds for up to date information.

Essential Wireless Hacking Tools

Explains how to crack wireless networks.

A powerful, fast, and free open source tool for performing security audits on networks. Command-line and GUI versions are available.

This website provides advanced internet and network utilities.

AWStats is a free powerful and featureful tool that generates advanced web, streaming, ftp or mail server statistics, graphically.

A site that aims to promote awareness of and knowledge about command line instructions in windows XP. Introduction to, discussion of and lists of commands in various categories of command shell instructions.

A scripting guide intended for anyone from a newbie to the more advanced programmer.

AutoIt v3 is a freeware BASIC-like scripting language designed for automating the Windows GUI and general scripting.

The documentation and source code for the AutoIt Windows scripting language. AutoIT allows easy scripting of a Windows GUIs.

A site map of a website offering VbScript for various tasks.

Site offers both free and paid anti-virus/anti-spyware software and information on known computer viruses.

A free antivirus program for windows.

Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways

A new free service provided by AOL that is an always on protection and scanner against virus threats.

This is a mail virus scanner for Linux and similar platforms. It automatically scans all incoming mail for suspicious attachments. Specially useful for mail servers.

a one-stop Windows fix-it site. Gives 156 useful Windows XP run commands.

Installs the latest windows updates at once.

A listing of administrator and user Passwords in Windows XP.

This software the allows users to customize Windows installation and remove certain Windows components.

This site has utilities to troubleshoot, manage, and diagnose Windows applications and systems and a blog to update IT Pros about what is new