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Open Source Credits

HanyuGuide uses open-source software and several licensed language datasets. This page collects the notices that apply to the dictionary, character metadata, stroke-order assets, and example sentence sources.

Dictionary Data

Make Me a Hanzi Dictionary Metadata

Character decomposition, radical, and etymology-hint fields are derived from Make Me a Hanzi and are provided under the GNU Lesser General Public License v3.

Source: skishore/makemeahanzi

Make Me a Hanzi Stroke Graphics

Stroke-order paths and median-line data are derived from Make Me a Hanzi stroke assets, which in turn are derived from Arphic public-license fonts and remain subject to the Arphic Public License.

Source: skishore/makemeahanzi

Unicode Unihan Database

Additional character readings, variant references, and Unicode definitions are derived from the Unicode Unihan Database and are used under the Unicode License.

Source: unicode.org/charts/unihan.html

Pinyin Conversion Runtime

The browser Chinese-to-pinyin tool uses the pinyin-pro runtime library, which is licensed under the MIT License. The public pinyin conversion API uses a server-side PHP converter backed by an imported dictionary table. HanyuGuide also hosts a first-party public JSON dictionary export derived from the official @pinyin-pro/data `complete.json` package data and imports that export into the server-side conversion table.

The upstream `complete.json` data source is described by the `pinyin-pro-data` project as a pinyin collection built from the jieba Chinese segmentation dictionary. HanyuGuide does not rely on the package's separate `modern.json` dataset for this public export.

Sources: zh-lx/pinyin-pro , chinese-data/pinyin-pro-data, fxsjy/jieba, and dictionary.hanyuguide.com/complete.json

Generated Content

HanyuGuide also generates learner-facing dictionary enrichments such as translations, usage notes, semantic relations, and some example sentences with configured AI providers. Those generated outputs are stored as first-party application content.

Example Sentences

Some legacy dictionary example sentences may still be sourced from Tatoeba and remain subject to CC-BY 2.0 FR . Those legacy entries are being phased out as HanyuGuide continues replacing them with first-party generated examples. HanyuGuide stores the source URL and external sentence ID for any remaining Tatoeba-backed entries so each retained example can link back to its original Tatoeba page for contributor attribution, and also uses AI-generated sentences where available.

Source: tatoeba.org

Software Libraries

Beyond the dictionary-specific sources above, HanyuGuide depends on open-source packages from the Laravel, PHP, JavaScript, and Expo ecosystems. Their individual licenses remain in effect for the packaged software distributed with the application.