With so many audio editors out there, finding the right tool for the job can be tricky. The multiplatform, open-source editor Audacity has leaped to the top of our list with its clean interface, excellent features, and support for 32-bit floating-point audio. Audacity succeeds at being both feature-rich and flexible, while keeping the toolbar and work space uncluttered. It does this by relegating most functions--such as effects, edits, and project management--to handy drop-down menus.
 
Audacity supports uncompressed audio standards such as WAV and AIFF in addition to OGG and MP3 files. A full complement of basic effects such as reverb, delay, and compression are included. Virtual Studio Technology (VST), Linux Audio Developers Simple Plugin Architecture (LAPSDA), and Nyquist plug-ins also are available if you're looking to expand. Another eye-catching feature is the Beat Analyzer, which helps you peg the beats per minute of a phrase.