Audacity® is an open source, cross-platform audio software for multi-track recording and editing.
Recording
Audacity can record live audio through a microphone or mixer, or digitize recordings from other media. With some sound cards, and on any recent version of Windows, Audacity can also capture streaming audio.
Import and Export
Import sound files, edit them, and combine them with other files or new recordings. Export your recordings in many different file formats, including multiple files at once.
Sound Quality
Supports 16-bit, 24-bit and 32-bit (floating point) samples (the latter preserves samples in excess of full scale).
Editing
Easy editing with Cut, Copy, Paste and Delete.
Find the spot to edit easily with scrubbing and seeking or Timeline Quick-Play.
Plug-ins
Support for LADSPA, LV2, Nyquist, VST and Audio Unit effect plug-ins.
Licensed under the GNU General Public License (GPL).
Runs on Windows, Mac OS X and GNU/Linux.
Download for Windows
Download for MAC OS