Credits and licenses

Built on other people’s work

Yona © Yonasoft. Dictionary data and models belong to their authors and are used under the licenses listed here. Yona is not affiliated with the sources it uses.

• CC-CEDICT

  Chinese dictionary, by MDBG and the CC-CEDICT contributors.

  License: CC BY-SA 4.0 · cc-cedict.org/wiki/

  Yona’s Chinese dictionary is based on CC-CEDICT and is shared under the same license, Creative Commons Attribution-ShareAlike 4.0 (https://creativecommons.org/licenses/by-sa/4.0/).

• JMdict

  Japanese dictionary, by Electronic Dictionary Research and Development Group (EDRDG).

  License: EDRDG License (CC BY-SA 4.0) · www.edrdg.org/edrdg/licence.html

  This application uses the JMdict dictionary files. These files are the property of the Electronic Dictionary Research and Development Group, and are used in conformance with the Group’s licence (https://www.edrdg.org/edrdg/licence.html). Yona’s Japanese dictionary is shared under Creative Commons Attribution-ShareAlike 4.0.

• jieba

  Chinese word frequencies and common words, by Sun Junyi and the jieba contributors.

  License: MIT · github.com/fxsjy/jieba

• PaddleOCR

  Reading text on screen, by PaddlePaddle, Baidu (ONNX conversions by monkt on Hugging Face).

  License: Apache-2.0 · github.com/PaddlePaddle/PaddleOCR

• Firefox Translations (Bergamot)

  Offline translation (Chinese, Korean, Spanish, Russian, French, German, Italian, Portuguese, Arabic), by Mozilla and the Bergamot project.

  License: MPL 2.0 · github.com/mozilla/translations

  Yona’s offline translator runs Mozilla’s translation models and its bergamot-translator engine, unmodified, under the Mozilla Public License 2.0 (https://www.mozilla.org/MPL/2.0/). Their source is at https://github.com/mozilla/translations. Mozilla’s Japanese model is not used.

• ElanMT

  Offline translation (Japanese), by ELAN MITSUA Project / Abstract Engine.

  License: CC BY-SA 4.0 · huggingface.co/Mitsua/elan-mt-bt-ja-en

  Yona’s Japanese translator is ElanMT-BT-ja-en by ELAN MITSUA Project / Abstract Engine (https://huggingface.co/Mitsua/elan-mt-bt-ja-en), licensed under Creative Commons Attribution-ShareAlike 4.0 (https://creativecommons.org/licenses/by-sa/4.0/). Yonasoft converted it to ONNX and quantized it to 8 bits; the converted model is shared under the same license at https://getyona.app/translate/ja/.

• Opus-MT

  Offline translation when the others cannot be used, by Helsinki-NLP, University of Helsinki.

  License: CC BY 4.0 · github.com/Helsinki-NLP/Opus-MT

  Trained on data from the OPUS project (https://opus.nlpl.eu).

• Yona word lists

  Korean grammar words, common Spanish and Russian words, by Yonasoft.

  License: CC0 (public domain) · creativecommons.org/publicdomain/zero/1.0/

• Wiktionary

  Korean, Spanish and Russian dictionaries, by Wiktionary contributors, extracted with Wiktextract.

  License: CC BY-SA 4.0 · www.wiktionary.org

  Yona’s Korean, Spanish and Russian dictionaries are based on Wiktionary and are shared under Creative Commons Attribution-ShareAlike 4.0. More languages will be added the same way.

• Kengdic

  More Korean words, by Joe Speigle (ezcorean.com) and the Kengdic contributors.

  License: MPL 2.0 (or LGPL 2.0+) · github.com/garfieldnate/kengdic

  Yona’s Korean dictionary adds words from Kengdic, an open Korean-English dictionary database, under the Mozilla Public License 2.0 (https://www.mozilla.org/MPL/2.0/). The source is at https://github.com/garfieldnate/kengdic.

• FrequencyWords

  Common-word order for Korean, Spanish and Russian, by Hermit Dave, from OpenSubtitles.

  License: CC BY-SA 4.0 · github.com/hermitdave/FrequencyWords

Also built with open-source software, including React, Next.js, Tailwind CSS, Electron, ONNX Runtime and Transformers.js (MIT and Apache-2.0 licenses). Anki is a trademark of Ankitects Pty Ltd; Yona is not affiliated with it.