DeepL Translation and Lingee
Tex's French Grammar Online interactive grammar reference from the University of Texas.
Transparent language online (Duke Only): An online language instruction resource.
LanguageGuide.org Français French grammar and vocabulary lessons, with visuals and accompanying audio.
Forvo.com French Pronunciation Audio clips of native speakers pronouncing 50,000+ French words.
Oxford Language Dictionaries French Resources (Duke users only)