Jisho - Powerful and easy-to-use online Japanese-English dictionary with words, kanji and example...
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JWPce - JWPce is a free Japanese <--> English dictionary and word processor created by Glenn...
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RomajiDesu - RomajiDesu is a free online bi-directional Japanese-English dictionary, Kanji dictionary, Sentence analyzer and Japanese to Romaji/English translator, and Romaji to Hiragana/Katakana Converters for Japanese learners.
Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.