VOCABULARY DATA ATTRIBUTION AND LICENSES

The adapted vocabulary dataset (words.json), including editorial glosses, is available under the Creative Commons Attribution-ShareAlike 4.0 International License:
https://creativecommons.org/licenses/by-sa/4.0/

Adapted from CC-CEDICT, published by MDBG and maintained by the CC-CEDICT editor community. Original CEDICT: Copyright (C) 1997, 1998 Paul Andrew Denisowski.
https://www.mdbg.net/chinese/dictionary?page=cedict

Changes: selected 2,000 entries; shortened and edited English glosses; removed Hanzi and dictionary references from display fields; normalized some pronunciation variants; organized entries into custom game tiers. See sources.json for full provenance and limitations.

HSK word selection: hsk-vocabulary by Clement Venard (MIT).
https://github.com/clem109/hsk-vocabulary

Frequency ordering metadata: Complete HSK Vocabulary by Yanis Zafiropulos (MIT).
https://github.com/drkameleon/complete-hsk-vocabulary

HSK VOCABULARY MIT NOTICE

MIT License

Copyright (c) 2018 Clement Venard

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
COMPLETE HSK VOCABULARY MIT NOTICE

MIT License

Copyright (c) 2026 Yanis Zafirópulos

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.