Audacity is free, open source software for recording and editing audio. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems. MP3 files can be created once the LAME CODEC is also installed.
Sound Forge is a digital audio editing suite by Sony Creative Software. ACID Pro 5 software is a professional digital audio workstation (DAW) for composing, recording, mixing, and arranging audio and MIDI tracks.