Flemm v3.1 is a free, open source tool for lemmatizing and generating inflections for a French text.

CNRTL is a free XUI and Javascript extension for Firefox designed to enable users to access the French lexical CNRTL portal directly within their web browser. With its toolbar, users can also double-click on a word within a webpage to view lexical information for it.

Pompamo is a free, web based tool for French texts designed to detect candidates for neologisms within a text based on lexical exclusion. Users can apply the built-in lexicon or upload up to six of their own.

DériF (Dérivation en Français) is a free, web based morphological analyzer for French. It lemmatizes a text and labels each lemma, out of context, with a grammatical category (noun, verb, adjective, etc.).

FastKwic is a free concordance tool for French and English texts encoded in ISO-Latin-1 (ISO-8859-1) or UTF-8. It is available for download, and compiles a user-provided lexical resource and applies it when indexing or concording a text.