rikaikun AlternativesDictionaries & Translators like rikaikun

Powerful and easy-to-use online Japanese-English dictionary with words, kanji and example sentences, among other features, like sentence parsing and inflection info.

Look up Japanese words with the hover of a mouse.

Yomichan turns your browser into a tool for building Japanese language literacy by helping you to decipher texts which would be otherwise too difficult tackle. Inspired in part by Rikaichan, it stands apart as an all-encompassing learning tool.

Memento is a free and open source, mpv-based video player that makes studying Japanese easier with a built in popup dictionary, Anki integration, and more.

Rikaichan is a popup Japanese-English/German/French/Russian dictionary tool for Firefox, Thunderbird and Seamonkey.

Browser plugin for Japanese site simplification by JLPT level.

Japanese-English popup dictionary that lets you look up Japanese word definitions without leaving your current screen! Look up Japanese words simply by copying to the system clipboard, from anywhere, including web browsers, PDFs, ebooks and emails.

Yomitan turns your web browser into a tool for building language literacy by helping you read texts that would otherwise be too difficult to tackle in a variety of supported languages.