English Dashboard for Administrators Only
Keeps the dashboard in English for administrators while the site and everyone else's dashboard stay in the site language, handy for developers supporting non-English sites.
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.
Expose the Page Language to JavaScript
Adds a small window.wpideLang object with the current locale, language code and text direction, so your scripts can format dates, numbers or messages correctly without guessing.