Credits
Leveling Tower uses several high-quality open-source databases to provide accurate information on kanji, vocabulary, example sentences and Japanese grammar. This page credits each source as required by its licence.
KANJIDIC2
A comprehensive database of over 13,000 kanji with meanings, readings and detailed information.
Electronic Dictionary Research and Development Group
License: Creative Commons Attribution-ShareAlike 4.0.
JMdict
A Japanese-English dictionary of over 190,000 entries, used for vocabulary.
Electronic Dictionary Research and Development Group
License: Creative Commons Attribution-ShareAlike 4.0.
Tatoeba
A collaborative database of example sentences with translations, used for Japanese example sentences.
License: Creative Commons Attribution 2.0 France. Individual sentences are contributed by the Tatoeba community.
KanjiVG
Vector stroke-order diagrams for over 11,000 kanji.
KanjiVG Project by Ulrich Apel
License: Creative Commons Attribution-ShareAlike 3.0.