Suggestions for frenchmath
The following packages have something in common with the package frenchmath. The packages are ordered in decreasing similarity.
- mafr: Mathematics in accord with French usage
 - profcollege: A LaTeX package for French maths teachers in college
 - tablvar: Typesetting pretty tables of signs and variations according to French usage
 - ibrackets: Intelligent brackets
 - proflycee: A LaTeX package for French maths teachers in high school
 - glossaries-french: French language module for glossaries package
 - babel-french: Babel contributed support for French
 - esieecv: Curriculum vitae for French use
 - frpseudocode: French translation for the algorithmicx package
 - lettre: Letters and faxes in French
 - smflatex: Classes for Société mathématique de France publications
 - yathesis: A LaTeX class for writing a thesis following French rules
 - ulthese: Thesis class and templates for Université Laval
 - panneauxroute: Commands to display French road signs (vector graphics)
 - fixltxhyph: Allow hyphenation of partially-emphasised substrings
 - gzt: Bundle of classes for “La Gazette des Mathématiciens”
 - bibleref-french: French translations for bibleref
 - couleurs-fr: French version of colour definitions from xcolor
 - cahierprof: Schedule and grade books for French teachers
 - context-french: Support for writing French in ConTeXt
 - datetime2-french: French language module for the datetime2 package
 - droit-fr: Document class and bibliographic style for French law
 - matapli: Class for the french journal “MATAPLI”
 - udes-genie-these: A thesis class file for the Faculté de génie at the Université de Sherbrooke
 - logoetalab: Insert Licence Etalab 2.0 logo
 - frenchponct: Implement French-style spacing at punctuation
 - frenchquote: Make something like guillemets
 - biblatex-swiss-legal: Bibliography and citation styles following Swiss legal practice
 - biblatex-enc: BibLaTeX style for the École nationale des chartes (Paris)
 - upgreek: Upright Greek letters
 - numspell: Spelling cardinal and ordinal numbers