Boss-app.com - app for business

The multi-language promotional site of the mobile app "Boss 1C - a convenient application for business accounting", full editing of the content of the pages of the site, the arbitrary number of language versions.
Sites under the key
#designation
The Adaptive Verst
by Yii2
The PHP5
The MySQL5
The HTML/CSS
by Java-Script
by JS (jQuery)
Multilinguality