Never A Cross Word
Download Never A Cross Word
Mac OS X, I believe 10.2 or later but I could be mistaken (I've only tested it under 10.4, 10.5 and 10.6)
Never A Cross Word is a simple crossword helper. You enter all the cross-clues you know for a particular word, and it tells you a list of possibilities for that word. The syntax is a period (.) for every unknown, and the letter for the knowns, so for instance ex...ple could be "example" or "exciple".
For those of you who are thinking "Well this is just a less powerful version of grep" you're right! It is exactly that. In my defence, for a non-UNIX crowd the terminal can be daunting. Also, the fact that the list updates on the fly is, in my opinion, added value.