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.

Applicable to version: 6.11.0.

Rangy	MIT	1.3alpha.681
JS-Signals with modifications	MIT	0.8.1
Jquip	MIT	0.0.3
InnoSetup	Modified BSD	6.1.2
PHF	MIT	rel-20190215
Tokenizers	Apache 2.0	0.22.2
LanguageTool with modifications	LGPL 2.1	2026-03-19-snapshot
Hunspell with modifications	MPL 1.1/GPL 2.0/LGPL 2.1	1.7.2
POCO C++ Libraries	BSL 1.0	1.14.2
MariaDB C API client library	LGPL‑2.1‑or‑later	3.4.3
Simpleini	MIT	4.22
Sparsepp	Modified BSD	1.22
OpenSSL	Apache 2.0	3.6.0
Compact Language Detector 2 (CLD2)	Apache 2.0	2.0
TensorFlow	Apache 2.0	2.18.0
Muppet RoBERTa	MIT	–
XLM-RoBERTa	MIT	–
ICU for C++ (ICU4C)	UNICODE License 3.0	78.1
JSON for Modern C++ by Niels Lohmann	MIT	3.12.0
GPT-2	MIT	–
MITIE	BSL 1.0	0.7
AWS SDK for C++	Apache 2.0	1.11.692
Hunspell dictionaries with modifications	Various permissive open-source licenses (per dictionary)	N/A