Dance Mat Typing
Teaches proper finger techniques. 4 levels with 3 stages at each level. From BBC Schools.

Touch Typing
Typing practice with feedback. Click the orange "To Start the Program (Online)" button then choose a lesson from the "lesson" pull-down menu.

Games from FreeTypingGames.net
Arcade-like practice. Choose lessons (special keys upon which to focus) and level.

Alphabetic Rain
Choose a level and type the letters as they fall to score points.

Word Fall Typing Game
Choose your category (trees, animals, words, or numbers), choose your level, and begin. Type the words as they fall to score points.

Barracuda Typing Game
Arcade-like practice. Type letters and words as they float down the river.

Arachnid Falls
Type letters and numbers to prevent spiders from stealing cherries off your ice cream.

Letter Speed Race
See how many letters you can touch correctly in 30 seconds.