Crossword  site for teachers & parents

http://www.greeneclipsesoftware.com/eclipsecrossword/

Word Search and  Crossword Programs

Hot potatoes - half-baked software
http://web.uvic.ca/hrd/halfbaked/

contains downloadable software of crossword, gap-fill exercises, interactive multiple choices etc.

Have a look at the freeware you are able to download from
 http://www.adders.org/freeware/