New Homepage for NHunspell

To provide better support we decided to move the NHunspell homepage to the Crawler-Lib website which is maintained and monitored regulary by the developers of NHunspell. The project is still open source and free. The sourcecode remains on Sourceforge, only the Homepage and the support home changes. Please update your bookmarks.
New NHunspell Homepage
New NHunspell Support Home

Spell Checker, Hyphenation and Thesaurus: NHunspell

NHunspell brings the spell checking, hyphenation and thesaurus to the Microsoft® .NET Framework. NHunspell is C# library and wraps native libraries for Hunspell, Hyphen and MyThes. One design goal of this library and wrapper is to keep the source code of the included libraries as unmodified as possible. New versions of the base libraries can therefore easily adopted to NHunspell.

The integrated libraries are used in OpenOffice and they work with the dictionaries published on


NHunspell is licensed under: GPL/LGPL/MPL. Free use in commercial applications is permitted according to the LGPL and MPL licenses. Your commercial application can link against the NHunspell DLLs.


The spell checker library Hunspell is a state of the art spell checker for languages with complex word compunding and rich morphology. It was written by László Németh for spell checking of the Hungarian language and can be used with utf8 encoded unicode directories. Hunspell is based on MySpell and can use MySpell directories too.

Hunspell is the default spell checker of OpenOffice, Mozilla Thunderbird and Firefox, Google Chrome and the Apple MAC OS/X operating system since version 10.6 "Snow Leopard". Hunspell is based an MySpell and can use the MySpell dictionaries. It is an alternative to GNU Aspell, ISpell, PSpell and Enchant


The hyphenation library Hyphen is part of the Hunspell project written by László Németh. It is a state of the art hyphenator.


The thesaurus MyThes is part of the Hunspell project. It can be used to find synonyms for words.

New Homepage

NHunspell has a new homepage.
New NHunspell Homepage


NHunspell 1.1.1 RTM

Releasing NHunspell 1.1.0 RTM

Hunspell 1.3.2, Hyphen 2.8.6

Patches till 2013-05-12


NHunspell 1.1.0 RTM

Releasing NHunspell 1.1.0 RTM

Hunspell 1.3.2, Hyphen 2.8.6

Patches till 2013-03-14


NHunspell 1.0.0 RTM

Releasing NHunspell 1.0.0 RTM

Hunspell 1.3.2, Hyphen 2.8.3


NHunspell 0.9.9

Releasing NHunspell 0.9.9

Update to Hunspell 1.3.2, Hyphen 2.8.3


NHunspell 0.9.8

Releasing NHunspell 0.9.8

Update to Hunspell 1.3.2, Hyphen 2.8


NHunspell 0.9.7

Releasing NHunspell 0.9.7

Update to Hunspell 1.2.12, Hyphen 2.6