Getting Started with Linux Apps
Getting started with Linux applications can be mind boggling, considering the thousands of applications that are available to you for each distro. So to set you on the right path, Tolga Balci opens up with a best practice guide which talks you through the basics of Linux application setup. He also explains how to install and uninstall applications cleanly using package managers: Linux Tips for Everyone: Using Applications in Linux.
Windows Apps on Linux Thanks to a Fine WINE

click to enlarge
As more people are becoming computer savvy, getting more comfortable with the machinations of I.T. as a way of life, and as Microsoft does it's best to sap the will out of our PC architecture (did somebody say Vista), the OS level becomes less intimidating to personalize based on individual preference. As a result, more PC users are experimenting with Linux. However still there is a perceived weakness of Linux that all those tried and trusted, familiar Windows apps won't run. That's not necessarily true, as Chelsea McGuire discusses in her article
Will Windows Software Work on Linux? Searching for Linux Applications
From a simple search to application installation, Tolga explains how easy it is to find Linux applications. Complex or basic, bespoke or standardized, if you want to find specific applications for your needs, this handy reference guide will point you in the right direction: Finding the Linux Software You Want.