SpellBound: Extremely Advanced Spell Checking

CompuSense’s SpellBound ($249) is an XTension for QuarkXPress 4/5/6/7 that adds enormous power to XPress’ built-in spell checking.

You can open up to five auxiliary dictionaries at the same time, use non-alphabetic characters in entries, use ligatures, and create an exception dictionary to specify the preferred alternative between two or more correctly spelled versions of the same word (color vs. colour).

SpellBound

It also lets QuarkXPress ignore correctly-spelled possessives, and much more.

Read all about it, and see some nice screen shots at X-Ray Magazine.