WildWords
wildwords.us
A scrabble style game for windows that can be played over the internet.
Wordsearch
coolfreesoftware.com
Generates a random word search puzzle for Windows when supplied with a list of words.
Word Finder
camtech2000.net
Windows program that lets you create and print your own Word Finder puzzles. Add as many words as you like and preview the puzzle before adding the random letters.
Lexter
kyne.com.au
Linux console game in which you arrange falling letters to spell words.
Words of Fortune
skyscraper.fortunecity.com
Allows you to build your vocabulary by yourself or against a friend on Windows.