Hunspell is the spell checker of LibreOffice, OpenOffice.org, Mozilla Firefox, Google Chrome, and it is also used by proprietary software packages, like Mac OS X and InDesign.
Cost / License
- Free
- Open Source
Platforms
- Online
ispell is described as 'Ispell is a program that helps you to correct spelling and typographical errors in a file. When presented with a word that is not in the dictionary, ispell attempts to find near misses that might include the word you meant' and is an app. There are six alternatives to ispell for a variety of platforms, including Linux, Web-based, Windows, Mac and iPhone apps. The best ispell alternative is Hunspell, which is both free and Open Source. Other great apps like ispell are Druide Antidote, Nuspell, GNU Aspell and Enchant.
Hunspell is the spell checker of LibreOffice, OpenOffice.org, Mozilla Firefox, Google Chrome, and it is also used by proprietary software packages, like Mac OS X and InDesign.
Whether you’re writing a letter or an email, a simple click of a button will open some of the most comprehensive and useful language resources ever created.



GNU Aspell, usually called just Aspell, is a free software spell checker designed to replace Ispell. It is the standard spell checker for the GNU software system. It also compiles for other Unix-like operating systems and Windows.
On the surface, Enchant appears to be a generic spell checking library. You can request dictionaries from it, ask if a word is correctly spelled, get corrections for a misspelled word, etc...