Gmail is undoubtedly the best web-based email around. Unfortunately Google doesn't have any Gmail notifier for Linux. However thanks to the open-source world there are many alternatives out to choose from and whats better is that all of them are better than their windows counterparts and are free. Here is a list to help you chose one.

Review three of the most popular video players available for Linux, with screenshots.

Wolfenstein: Enemy Territory
A true classic and one of the most played online first-person shooter games, Wolfenstein: ET was supposed to be released as a new mod for Return to Castle Wolfenstein, but the single-player part of the game was abandoned and it was released at no cost, as a standalone multiplayer game.

Inspired by QuickSilver for Mac OS X, Katapult is an application launcher for KDE designed to allow faster access to applications, bookmarks, and other items. It is plugin-based, so it can launch anything that is has a plugin for. Its display is driven by plugins as well, so its appearance is completely customizable. It was inspired by Quicksilver for OS X.

Codeweavers released Crossover 7.1.0 for Linux and Mac systems, here is the full change logs for each system. While there practically the same I thought I would post both Change logs so their wouldn't be any confusion on what has changed for each platform.

Today I will continue with two other first-person shooter (FPS) games, natively available for Linux: Nexuiz and OpenArena. They both are currently maintained and the wonderful thing about them is that they all are completely open-source, free and usually available in all the major distributions.

Get a second sound card! USB headsets usually got one integrated.
This might seem a little over the top but in my experience it’s really the only way that really works most of the time without using non or bad working wrappers.

Personal Package Archives (PPA) allow you to upload Ubuntu source packages to be built and published as an apt repository by Launchpad.