Accordance offers helpful downloads in these pages:

Accordance Program Downloads -- Get your copy of Accordance 12. Also offers installers for older versions of 9, 10, and 11 (for those who need to reinstall) and free upgrades within versions 6 and 7, and the FontFixer utility for OS X.

Accordance Services -- This file provides Services that allow other Mac applications to link to Accordance 10.4.3 and up via the Services menu. It includes instructions, as do the Help files.

Documentation -- PDF files covering different aspects of Accordance.

Check out the Accordance Exchange -- a place for users to make their own files available to everyone else.