open source software

Kristal Audio Engine

Kristal Audio Engine is an audio recording/editing software that's perfect for anybody who's interested in getting acquainted with music and sound editing. The program is absolutely free for non-commercial, educational and personal use only. The audio engine provides tons of cool features and provides a user-friendly interface.

Hydrogen

Hydrogen is a free drum machine for Linux/GNU. Its features allow you to make your drum beats professionally, but without having to pay for them. The easy-to-use graphical user interface allows users to intuitively make their beats. Hydrogen has a built-in sequencer and mixer, allowing you to layer up to sixteen samples for each instrument. And with a wide array of supported files, you can easily be your own DJ with Hydrogen.

Tux Paint – free drawing program for kids and kids at heart

Tux Paint is a free art and drawing computer software especially designed for children. It has a lot of fun sound effects, an easy-to-use graphic interface, and a cute penguin to help the kids as they go along using Tux Paint. It is also available for Mac OSX, Linux, Windows and other operating systems. Softpedia has rated it as excellent, and we guess it's because kids and kids at heart surely love its features as Tux Paint helps them to be more creative.

K3DSurf – Open Source 3D Surface Generator

I can bet that K3DSurf would be a dream to have for any math geek if they would only know about it. This nifty application allows you to visualize and manipulate Mathematical models in three, four, five and six dimensions. K3DSurf supports Parametric equations and Isosurfaces.

Dia – an open-source diagram creation software

Making diagrams can be quite a pain, especially if you do not have the proper and user-friendly software to help you draw it for you. How else can you make those lines straight and those boxes properly aligned so that they look neat and easy to understand? Not to worry anymore - Dia comes to you to save the day. And we promise your boss or professor would awe at your professional looking diagrams.

RoseGarden – a free midi sequencer for Linux

Remember drawing those squiggly lines and circles on 5 lines when you were in music class? You draw them then read them afterward and realize that you do not understand anything you have drawn because they were in weird places between and after the lines. Do not be scared of making the same mistake now. Rose Garden is ready to help you create the best music sheets and midi sequences possible, allowing you unleash the professional musician inside you.

Eraser – erase your digital files without any traces

Simply deleting your digital files does not always mean that they are completely deleted. Deleting your files does not always completely erase them from your hard drive (which explains why most file deletions can be recovered!). If you are that careful person who wants to take extra precautions with your digital files and make sure they are never gone, or you need to ensure your privacy and be certain they are completely deleted, then Eraser has got your back covered.

Mumble – talk with your fellow gamers without the lag

Don't you just hate it when you are yelling to your teammates when you are playing via virtual LAN setups - only to find out that your voices and your game sessions are not properly synchronized? Think of lag times killing you so badly that you wish it's easier to just type. Fret no more. Here's Mumble to the rescue. Mumble is an open-source software for chatting while you are gaming. It promises low-latency, but still delivers high-quality voice transmission. Give it a try - you might just escape that next chain lightning from the enemies.

SuperTuxKart – a vrooming free 3D racing game

Don't you just love that rush of adrenaline when you are driving or racing a car to beat somebody? You could get just that - plus more. How about the sight of cute characters rushing around in their cute little go-karts? Whether you're racing on the beach, or towards the lighthouse, SuperTuxKart will surely give you hours of fun. With dozens of characters and tracks to choose from, your every race is definitely different from the others.