nuspell

Nuspell is a fast and safe spelling checker software program. It is designed for languages with rich morphology and complex word compounding. Nuspell is written in modern C++ and it supports Hunspell dictionaries.

Main features of Nuspell spelling checker:

• Provides software library and command-line tool.
• Suggests high-quality spelling corrections.
• Backward compatibility with Hunspell dictionary file format.
• Up to 3 times faster than Hunspell.
• Full Unicode support backed by ICU.
• Twofold affix stripping (for agglutinative languages, like Azeri, Basque, Estonian, Finnish, Hungarian, Turkish, etc.).
• Supports complex compounds (for example, Hungarian, German and Dutch).
• Supports advanced features, for example: special casing rules (Turkish dotted i or German sharp s), conditional affixes, circumfixes, fogemorphemes, forbidden words, pseudoroots and homonyms.
• Free and open source software. Licensed under GNU LGPL v3 or later.