Current Language Class on the Body Tag
Adds classes like lang-fr and dir-rtl to the body tag, so you can adjust styles per language, whether the language comes from WPML, Polylang or the WordPress locale.
Snippet Library
Multilingual snippets for WordPress
Snippets for multilingual sites: language switchers, translated strings and per-language behavior with WPML, Polylang and similar plugins. For sites that serve readers in more than one language.