Data sources and licences

Nomto uses open data and fonts. Thank you to their authors — the trainers wouldn’t be possible without them.

• Audio of syllables and words — audio-cmn

  Authors: Chen Wang (syllables), Yue Tan / Shtooka (HSK words), Hugo Lopez (processing)
  Licence: CC BY-SA
  github.com/hugolpz/audio-cmn

  The recordings are used with their content unchanged, in compressed form.

• Stroke order — Make Me a Hanzi

  Authors: Shaunak Kishore and contributors
  Licence: Stroke graphics — Arphic Public License; dictionary data — LGPL-3.0
  github.com/skishore/makemeahanzi

  The stroke outlines are based on the Arphic PL KaitiM GB and UKai fonts.

• Stroke animation and checking — Hanzi Writer

  Authors: David Chanin
  Licence: MIT
  hanziwriter.org

• Traditional-to-simplified character mapping — OpenCC

  Authors: Carbo Kuo (BYVoid) and contributors
  Licence: Apache License 2.0
  github.com/BYVoid/OpenCC

  Only the characters of the course’s words are taken from the tables: they turn recognised speech into simplified script.

• Chinese character font — LXGW WenKai

  Authors: LXGW
  Licence: SIL Open Font License 1.1
  github.com/lxgw/LxgwWenKai

  A subset is used, with only the characters that appear on the site.

• Lora and Onest fonts

  Authors: Cyreal (Lora); Dmitri Voloshin (Onest)
  Licence: SIL Open Font License 1.1
  fonts.google.com