hunspell / hunspell

The most popular spellchecking library.

snowballstem / snowball

Snowball compiler and stemming algorithms

CAMeL-Lab / camel_tools

A suite of Arabic natural language processing tools developed by the CAMeL Lab at New York University Abu Dhabi.

loupe-php / loupe

A full text search engine with tokenization, stemming, typo tolerance, filters and geo support based on only PHP and SQLite.