Software

Stellarium – free planetarium for your computer

Have a penchant for staring out into the night sky? Always giddy at the thought of going to planetariums and getting awed at just how vast the universe really is? If you said, yes, to both questions, then you would enjoy Stellarium. Stellarium is a free planetarium for your very own computer. It can give you a great picture of the vast universe by giving you access to 600,000 stars, the constellations of 10 different cultures and more. You can enjoy astronomer level access right at your very own computer. Stellarium is perfect for kids and adults alike who have a fascination for the stars and planets surrounding us.

BZ Flag – fun 3D battle tank game

Battle City game? Why not try this game out instead. BZ Flag is a fun 3d tank battle game which lets players go against each other in a network. Essentially, the rules are simple. You get 5 teams, red, blue, green, purple and black (rouge tanks). You score a win if you blow up the tank of the other team while you score a loss if you hit your own team member. Simple, right? Despite the simplistic gameplay, BZ Flag is surprisingly an addictive and entertaining game. It's a great way to beat the stress of if you're simply hanging out with a few buddies and have nothing better to do.

Pixen – free graphic editing software for Mac

There's no denying that Mac users have their work cut out for them when it comes to looking for free or open source software and programs that they can use for their Macbooks. However, with Pixen available, they don't to worry much longer. Pixen is a fully free graphics editor software that you can use for your Mac. Most people know that there are a lot of reliable graphics software out there for Windows and other systems but hardly for Mac. This software is especially suited for pixel artists, however, it does work perfectly with all types of artists.

Pingus – open source Lemmings-like game

Ever got addicted to Lemmings when you were younger? Now, you can get the same game play only this time, you have Penguins to deal with. Pingus is a very entertaining open source game designed initially as a free Lemmings clone. However, throughout the years, the game has grown and now features over 22 levels, original artwork, new actions and multiplayer options. Basically, just like Lemmings, your main goal is to guide a group of Penguins from point A to point B. To make it challenging, there will be tons of obstacles preventing you from doing so. It's your job to reign the penguins in, so to speak, and make them follow your instructions.

Warzone 2100 – open source real time strategy game

Want to play something that's more challenging than the usual shoot and kill? Warzone 2100 offers you a real time strategy and tactics game designed to make you think and destroy at the same time. Warzone 2100 was published by Eidos Interactive and developed by Pumpkin Studios. Originally, the game was released on a commercial status but by December 2004, much of the source code for the game was tagged with a GNU. Today, the title is a full open source game that you can download and enjoy right at the comfort of your own home. Take your wit and skills to help rebuild a new civilization for mankind or simply have fun blasting the enemy from beyond the gates.

Rigs of Rod – car, truck, airplane & boat simulation game

Rigs of Rod is the perfect game or software to have if you are a big fan of trucks, cars, airplanes and boats. If you love driving and want to know what it feels like to handle different types of vehicles, then RoR is a great game to have. It's an open source game that will let you crawl, drive and fly in a free and open space. It uses real physics to help give its players the real feeling of driving a truck down a highway or of making a nosedive with an airplane.

Alien Arena

Hailed by many gamers as one of the best free FPS games online, Alien Arena is certainly one game any FPS game lover should not miss out on. Apart from the fact that it’s completely free (as of the moment anyway), it features pretty good graphics and gameplay for an online game.

Practical Open Source Software Exploration – Free Open Source Textbook

“Can Professors Teach Open Source?” The answer is a resounding yes. In fact, TeachingOpenSource.org has written a book that work pretty much in the same way as any other open source software project – improvements, technically known as patches, are very much welcome. The textbook has a foreword by Greg DeKoenigsberg, a Senior Community Architect at Red Hat. He was the founder and first chairman of the Fedora Project Board, the governance body for the Fedora Project, an open source software project.