← Free Japanese

    Content sources & licences

    Every question bank in this section is generated from openly licensed data or produced in-house. Nothing here is reproduced from another learning platform. Each entry below lists what we use and the licence it carries.

    • internal

      Licence:
      n/a — factual reference data
      Used by:
      kana

      Kana grid generated in-repo by tools/content/build-kana-bank.ts

    Share-alike note

    Dictionary data derived from CC BY-SA sources is redistributed under the same licence and kept in a dedicated content directory so the share-alike boundary stays unambiguous. It applies to the derived data we publish, not to the application code around it.