Drill the Japanese kanji: top of the site

Links

General encyclopedia articles

Kanji on Wikipedia

Learning kanji on Wikipedia

Browser add-ons and online tools

Below are two wonderful tools to pratice reading and learning kanji in their context.

Firefox users can install Rikaichan, an incredible add-on. Just hover the mouse on top of a word in any web page, and a popup will appear, giving the meaning, on-yomi, kun-yomi, etc.

If you are still using Internet Explorer...
try Rikai.com Connect to this site, paste the URL of a web page or any text in Japanese in the provided text field, click "send" and a few seconds later you will get your text back. You will then be able to display the pronunciation and the meaning of all words as you move the cursor over them.
Naturally, the Rikaichan add-on for Firefox is much more convenient.

Online dictionary
(James Breen's wwwJdic)
You can type in hiragana, kanji, or romanized japanese (or English) words, search for their definition, and then find examples, pronunciation, etc.
Excellent tool.

Grammar

Visualizing Japanese Grammar (Flash animations) from S. Hamano (George Washington University)

Vocabulary

Newspaper vocabulary   www.manythings.org/japanese/news
Flash Quizzes & Flashcards using words from Japanese newspapers

Quizzes on Commonly-used Japanese Words  (by Charles Kelly, manythings.org)

Kanji Networks   Etymologies by Lawrence J. Howell and Hikaru Morimoto
The Kanji FAQ    by Lawrence Howell

Listening comprehension, podcasts

ECIS, Nagoya University by Richard Harrison
Videos with transcriptions and quizzes.

Portals

The Japan-Guide.com

Teaching English in Japan

The Japan Zone

Collections of bookmarks for students and teachers of Japanese

Keiko Schneider's Bookmarks
For those who study and teach Japanese and Japan. A very active site, regularly updated.

Mary Noguchi's Kanji Clinic

Jim Breen's Japanese page Monash University, Australia.
A extensive set of bookmarks concerning Japan and teaching Japanese.