Audacity (gratis!)
Audacity (gratis!)
http://audacity.sourceforge.net/
Goldwave
Goldwave
http://www.goldwave.com/
Sound Forge
Sonic foundry is the creator of mediasite, the leading web communications and content management system for lecture capture, event webcasting and online knowledgement management.
http://www.sonicfoundry.com/
Wavelab 5.0
Steinberg is known the world over for its professional media solutions. the company has been developing, manufacturing and selling software products for musicians and producers in the music, film, post production, and multimedia industries since 1984. steinberg products are used by grammy® and oscar® award winning composers, engineers, and producers.
http://www.steinberg.net/