Audacity is free, open source digital audio editor. Author of Audacity is Dominic Mazzoni of Google, while he was a student at Carnegie-Mellon University. He is still the main developer with a lot of help from many other users around the world.

Audacity can record sounds from digital and analog audio inputs up to 16 channels maximum. It can import and export a lot of audio formats (mp3, wav, ogg, aiff, au. It doesn’t support priprietary formats like WMA or AAC (yet). You can record and edit 6-bit, 24-bit, and 32-bit (floating point) samples. For effects you have more than 100 plug-ins, also, for free download.

Audacity is cross-platform and runs on Mac OS X, Windows and Linux. More about Audacity and download you can find here.

The Future Is Unwritten - trailer:
Trailer for documentary about Joe Strummer (anyone knows THE CLASH?)