Wavosaur has all the features to edit audio (cut, copy, paste, etc.) produce music loops, analyze, record, batch convert.
Wavosaur supports VST plugins, ASIO driver, multichannel wav files, real time effect processing.
The program has no installer and doesn't write in the registry. Use it as a free mp3 editor, for mastering, sound design. The Wavosaur freeware audio editor works on Windows 98, Windows XP and Windows Vista.
Go to the features page for an overview of the software.