# Third-party software and licenses WebSpellChecker utilizes various open-source software components to enhance our products. On this page, you’ll find a detailed list of these components, including their licenses and versions as of the latest version of our software, reflecting our dedication to open-source license compliance and transparency. A complete list of transitive dependencies is available upon request. {% hint style="info" %} Applicable to version: **6.12.0**. {% endhint %} | [Rangy](https://github.com/timdown/rangy) | [MIT](https://github.com/timdown/rangy/blob/master/LICENSE) | 1.3alpha.681 | | ------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------- | | [JS-Signals](https://github.com/millermedeiros/js-signals) with [modifications](https://github.com/WebSpellChecker/js-signals/tree/wsc-dev) | [MIT](https://github.com/millermedeiros/js-signals/blob/master/README.md#license) | 0.8.1 | | [Jquip](https://github.com/mythz/jquip) | [MIT](https://opensource.org/license/mit/) | 0.0.3 | | [InnoSetup](http://www.jrsoftware.org/isinfo.php) | [Modified BSD](https://jrsoftware.org/files/is/license.txt) | 6.1.2 | | [PHF](https://github.com/wahern/phf/tree/rel-20190215) | [MIT](https://github.com/wahern/phf/blob/rel-20190215/LICENSE) | rel-20190215 | | [Tokenizers](https://github.com/huggingface/tokenizers) | [Apache 2.0](https://github.com/huggingface/tokenizers/blob/main/LICENSE) | 0.22.2 | | [LanguageTool](https://languagetool.org/) with [modifications](https://github.com/WebSpellChecker/languagetool) | [LGPL 2.1](https://github.com/languagetool-org/languagetool/blob/master/languagetool-standalone/COPYING.txt) | 2026-04-22-snapshot | | [Hunspell](https://github.com/hunspell/hunspell/tree/master) with [modifications](https://github.com/WebSpellChecker/hunspell/tree/multithreaded_1.7.2) | [**MPL 1.1**/GPL 2.0/LGPL 2.1](https://github.com/hunspell/hunspell/blob/master/license.hunspell) | 1.7.2 | | [POCO C++ Libraries](https://github.com/pocoproject/poco) | [BSL 1.0](https://github.com/pocoproject/poco?tab=License-1-ov-file#readme) | 1.14.2 | | [MariaDB C API client library](https://mariadb.com/kb/en/about-mariadb-connector-c/) | [LGPL‑2.1‑or‑later](https://mariadb.com/docs/connectors/mariadb-connector-c/mariadb-connector-c-guide#license) | 3.4.3 | | [Simpleini](https://github.com/brofield/simpleini) | [MIT](https://github.com/brofield/simpleini/blob/master/LICENCE.txt) | 4.22 | | [Sparsepp](https://github.com/greg7mdp/sparsepp/) | [Modified BSD](https://github.com/greg7mdp/sparsepp/blob/master/LICENSE) | 1.22 | | [OpenSSL](https://www.openssl.org/) | [Apache 2.0](https://www.openssl.org/source/license.html) | 3.6.0 | | [Compact Language Detector 2 (CLD2)](https://github.com/CLD2Owners/cld2) | [Apache 2.0](https://github.com/CLD2Owners/cld2/blob/master/LICENSE) | 2.0 | | [TensorFlow](https://github.com/tensorflow/tensorflow) | [Apache 2.0](https://github.com/tensorflow/tensorflow/blob/master/LICENSE) | 2.18.0 | | [Muppet RoBERTa](https://github.com/huggingface/transformers) | [MIT](https://github.com/huggingface/transformers?tab=Apache-2.0-1-ov-file#readme) | – | | [XLM-RoBERTa](https://huggingface.co/FacebookAI/xlm-roberta-base) | [MIT](https://huggingface.co/datasets/choosealicense/licenses/blob/main/markdown/mit.md) | – | | [ICU for C++ (ICU4C)](https://github.com/unicode-org/icu/tree/main/icu4c) | [UNICODE License 3.0](https://github.com/unicode-org/icu?tab=License-1-ov-file#readme) | 78.1 | | [JSON for Modern C++ by Niels Lohmann](https://json.nlohmann.me/) | [MIT](https://github.com/nlohmann/json/blob/develop/LICENSE.MIT) | 3.12.0 | | [GPT-2](https://huggingface.co/gpt2) | [MIT](https://huggingface.co/datasets/choosealicense/licenses/blob/main/markdown/mit.md) | – | | [MITIE](https://github.com/mit-nlp/MITIE) | [BSL 1.0](https://github.com/mit-nlp/MITIE#license) | [0.7](https://github.com/mit-nlp/MITIE/releases/tag/v0.7) | | [AWS SDK for C++](https://github.com/aws/aws-sdk-cpp/tree/main) | [Apache 2.0](https://github.com/aws/aws-sdk-cpp/blob/main/LICENSE) | 1.11.692 | | [Hunspell dictionaries with modifications](https://github.com/WebSpellChecker/hunspell-dictionaries-modifications) | Various permissive open-source licenses (per dictionary) | N/A | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.wproofreader.com/resources/third-party-software-and-licenses.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.