Links

Ardour:

http://ardour.org/

Ardour reference manual (in progress):

http://vm-nice.stackingdwarves.net:8888/ardour-en/1-ARDOUR.html

Ardour video tutorials (including JACK setup):

http://vimeo.com/2867399

Jack Audio Connection Kit

http://jackaudio.org/

Jack OS X

http://jackosx.com/

JAMin

http://jamin.sourceforge.net/

Tutorial: Mastering with JAMin and Ardour

http://jamin.sourceforge.net/en/tutorial.html