Audacity, The free, cross-platform sound editor. This open source software will record and edit sounds, music, and audio. The graphical user interface is very similar on several different operating systems including Mac OS X, Microsoft Windows and GNU/Linux. Audacity records live audio, covert tapes/records to digital formats, edit various sound files, change speed of music files, and much much more. Click HERE for a complete list of Audacity’s features. Click HERE to download Audacity.