Wordster
wordster.net
Freeware download can be played alone, against computer opponents, or over the internet. It also contains tools for creating word search puzzles from scratch or from a word list.
GameSpot Review
gamespot.com
Rated 7.8/10 by Lawrence R Edelstein. "If you're going to have fun with this game, you've gotta get online." Reader reviews. 5 screen shots.
Online Boggle Reviews
boggle-online.htmlplanet.com
Reviews of online multiplayer Boggle-like games.