Welcome to Audacity Audacity® is free, open source, cross-platform audio software for multi-track recording and editing. Audacity is available for Windows® , Mac® , GNU/Linux® and other operating systems. Check our feature list , Wiki and Forum . Download Audacity 2.1.3 Mar 17th, 2017: Audacity 2.1.3 Released New features, see updated manual for details: Audacity 2.1.3 fully supports Windows 10 (thanks to an upgrade of the PortAudio library) and on MacOS has some previously missing support for ...