Add Language and Translations to the REST API (WPML)
Adds wpml_language and wpml_translations fields to posts and pages in the REST API, so headless front ends and apps know each item's language and the IDs of its translations.
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.
Manual hreflang Links for Translated Pages
Adds a box to the editor where you list the URLs of a page's translations; the matching hreflang tags (plus x-default) are printed in the page head, for multilingual sites that do not use a translation plugin.
Polylang Language Fields in the REST API
Adds pll_language and pll_translations fields to posts and pages in the REST API, which Polylang's free version does not provide, so headless sites and apps can link translations.
Polylang Translations for Customizer Settings
Registers chosen Customizer text settings, such as footer copyright or a header phone number, in Polylang's string translations and shows the right translation in each language.
Translate Customizer Text Settings With WPML
Registers chosen Customizer (theme_mod) text settings, such as a footer copyright or header phone number, in WPML String Translation and shows the translated value in each language.