rikaichan is a popup Japanese-to-English/German/French/Russian dictionary extension for Firefox and Thunderbird.

Please visit polarcloud.com for more information.
Installation
| Install the main extension |
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| Install a word dictionary (pick one) | 1.06 (Dec 24, 2007) |
| Install the names dictionary (optional) | 1.06 (Apr 5, 2008)
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Please consider donating to the rikaichan project if you like this extension. ^_^