Quick and Dirty Japanese  - the legendary grammar tutorial. Be warned - they don't call it "quick and dirty" for nothin'.

A Logical Japanese Grammar - what it says.

J-Inflect Software - type in the Base 3 verb, and this program will spit out the conjugations.

Conjunction Junction - my Quia flashcard drill on words like "and," "but," "therefore," "furthermore"...and so on...

Counter Challenge! Boards - Welcome to  the wild, whacky, maddening world of Japanese counters.

Counter Challenge! Boards - Here are some Java drills to introduce you to the joy of Japanese counters. Gambatte kudasai.

Counter Challenge! I - covers the all-purpose hitotsu, futatsu, mitsu counter, plus counters for people, beer bottles, and furry little animals. Everything you need for a relaxing weekend in Tokyo.

Counter Challenge! II - counters for flat things like sheets of paper, buildings and houses, floors, bound objects like books and magazines, and also the counter -ko, which is used for all kinds of miscellaneous compact articles.

Counter Challenge! III - some time counters: hours, minutes, seconds, weeks and months.

Counter Challenge! IV - counters for repetitions/rounds/games, age (years old), days of the week, months of the year, and number of years.

Counter Challenge! V - counters for big animals, repetitions/degrees, footware, and birds. Also works the ordinal numbers.