http://www.jokosher.org/

Jokosher is a simple yet powerful multi-track studio. With it you can create and record music, podcasts and more, all from an integrated simple environment.
To see what it looks like, see our Screenshots page, read the Features, and then head over to our Download page to grab the latest release. Be sure to also see our Documentation

If you like what you see, join our bustling Forums to find answers, show off your music and more.