All about Audacity. Audacity is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems. Learn more about Audacity... Also check our Wiki and Forum for more information. The latest release of Audacity is 1.3.4 (beta). Because it is a work in progress and does not yet come with complete documentation or translations into foreign languages, it is recommended for more advanced users. See New Features in 1.3 for more information about the 1.3.x beta series. For all users, Audacity 1.2.6 is a stable release, complete and fully documented. You can have both Audacity 1.2.6 and 1.3.3 installed simultaneously. Sound cool? Download Audacity.