Nuspell is a free and open source spell checker library and command-line program
designed for languages with rich morphology and complex word compounding.
Nuspell is a pure C++ re-implementation of Hunspell.
Main features of Nuspell spell checker:

* Full unicode support backed by ICU
* Backward compatibility with Hunspell dictionary file format
* Twofold affix stripping (for agglutinative languages, like Azeri, Basque,
Estonian, Finnish, Hungarian, Turkish, etc.)
* Support complex compounds (for example, Hungarian, German and Dutch)
* Support language specific features (for example, special casing of Azeri and
Turkish dotted i, or German sharp s)
* Handle conditional affixes, circumfixes, fogemorphemes, forbidden words,
pseudoroots and homonyms.
* Free software. Licensed under GNU LGPL v3 or later.