FacetWP WPML Multilingual Addon GPL v1.3.0

FacetWP Multilingual Addon GPL Overview:

WPML

The Multilingual add-on supports normal translations, as well as dynamic strings (e.g. facet placeholder text) via the WPML String Translation plugin.
This add-on supports sub-site (fr.mysite.com) and sub-directory (mysite.com/fr/) permalinks, but does not support URL strings (?lang=fr).

Polylang

The Multilingual add-on supports normal Polylang translations.