I just updated the development version of the French language pack for #phpBB. I'm sure there are many improvements that you'll enjoy! It will be available in the next 3.2.1 stable release. See https://github.com/milescellar/phpbb-language-fr/blob/3.2.x/CHANGELOG.md for more details.
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!