This plugin allows you to write posts in more than one language, all you have to 
do is to add some divs to your posts, each div with a class, that is the 
language’s name. This way your readers will be able to just click in the flags 
and change between languages.

WPMultiLanguageChanger

This plugin allows you to write and you readers to change between languages in your blog in a easy way.

allurewebsolutions

This is an add-on plugin for WPBakery Visual Composer that adds functionality of a language switcher, making it very easy to create a multi-language site without an additional multi-language or translation plugin.
In version 2.0, we’ve added support for automatic translations using the Google Cloud Translate API.
<a href="https://allurewebsolutions.com/visual-composer-multilanguage-plugin" rel="nofollow ugc">Full Setup Instructions & Walkthrough</a>
<a href="https://vc-multilanguage.allureprojects.com" rel="nofollow ugc">Demo</a>

WP Bakery Multilanguage

This is an add-on plugin for WPBakery Visual Composer that adds multilanguage support and functionality. Version 2.0 now also has automatic translatio …

WPMultiLanguageChanger vs WP Bakery Multilanguage