Legal

Publisher (Mentions Légales)

• Company: Forethought Studio
• Registered address: 200 Rue de la Croix Nivert, 75015 Paris, France
• SIREN: 944 728 773
• SIRET (head office): 944 728 773 00010
• VAT (TVA intracommunautaire): FR76 944728773
• President / Publication director: Aaron Johnson
• Contact: [email protected]

Datasets

This app includes data from the following sources:

• KanjiVG
  License: Creative Commons Attribution-ShareAlike 3.0 (CC BY-SA 3.0) · Source: Link
  Stroke order diagrams and kanji component breakdowns.
• EDRDG KRADFILE / KANJIDIC2
  License: EDRDG license · Source: Link
  Kanji/radical component breakdowns mapped to YomiKamo subjects.
• EDRDG JMdict/EDICT
  License: EDRDG license · Source: Link
  Supplemental meaning source for kanji and vocabulary.
• JLPT Vocabulary List (stephenmk/yomitan-jlpt-vocab)
  License: CC BY-SA 4.0 · Source: Link
  Word list used to identify JLPT N4–N1 vocabulary subjects and their JMdict sequence numbers. Readings and meanings sourced from JMdict; the Waller word list is used only as a reference for which words belong at which JLPT level.
  JLPT vocabulary list by Stephen Kraus (stephenmk), based on word lists by Jonathan Waller (tanos.co.uk).
• JLPT Vocabulary Bands (jamsinclair/open-anki-jlpt-decks)
  License: MIT · Source: Link
  TSV lookup table mapping vocabulary expressions to JLPT band numbers (N5=1 through N1=5), used for curriculum band assignment.
• Kanjium pitch accent database
  License: CC BY-SA 4.0 · Source: Link
  Pitch accent values for ~124,000 Japanese words, used to generate correctly-intoned audio via Google Text-to-Speech SSML.
  The pitch accent notation, verb particle data, phonetics, homonyms and other additions or modifications to EDICT, KANJIDIC or KRADFILE were provided by Uros O. through his free database.
  Shipped: data/kanjium/accents.txt, data/kanjium/LICENSE.txt

Open-source libraries

• WanaKana
  License: MIT · Source: Link
  Japanese kana conversion used for input normalization and display.
  Shipped: assets/js/vendor/wanakana.min.js

Fonts

• Space Grotesk
  License: SIL Open Font License 1.1 (OFL-1.1) · Source: Link
  Primary UI typeface.
  Shipped: assets/fonts/space-grotesk-latin.woff2, assets/fonts/google-fonts-LICENSE.txt
• Fraunces
  License: SIL Open Font License 1.1 (OFL-1.1) · Source: Link
  Display serif headings.
  Shipped: assets/fonts/fraunces-latin.woff2, assets/fonts/google-fonts-LICENSE.txt
• YK Rare Han (subset webfont)
  License: SIL Open Font License 1.1 (OFL-1.1) · Source: Derived from Hanazono Font (HanaMinA) by the GlyphWiki Project (Debian package: fonts-hanazono).
  Ensures a small set of uncommon component glyphs render reliably across devices.
  Shipped: assets/fonts/yk-rare-han.woff2, assets/fonts/yk-rare-han-LICENSE.txt

Third-party services

• Cloudflare Turnstile
  Source: Link
  CAPTCHA for public forms (anti-abuse).
  Used on public forms (login, register, forgot/reset password, contact).
• Sentry (error monitoring)
  Source: Link
  Detect and fix application errors (JavaScript error monitoring).
  If enabled, the app loads the Sentry browser SDK from Sentry CDN and sends error events to Sentry.
• Google Text-to-Speech
  Source: Link
  Optional voice provider for audio generation when enabled by the site operator.
• Nextend Social Login (optional)
  Source: Link
  Google sign-in on auth screens if the Nextend Social Login plugin is installed.

If additional public datasets, libraries, or third-party services are added, they will be listed here.