Fluent is described as 'Innovative: Natural-sounding translations with genders and grammatical cases when necessary. Locale-specific logic doesn't leak to other locales' and is a Translator in the education & reference category. There are more than 25 alternatives to Fluent for a variety of platforms, including Linux, Windows, Web-based, Mac and SaaS apps. The best Fluent alternative is Weblate, which is both free and Open Source. Other great apps like Fluent are Poedit, Crowdin, Tolgee and Lokalize.