RU 
EN - PHP 5.6 (7.1 recommended)
- mySQL
- Joomla 3.3 or above
CRM software is an excellent way to target specific members in an organization for action or activity.
I. Waring, Elin J. The Official Joomla!™ Book
Applied CRM:
- Online stores
- Trade companies
- Real Estates
- Web developing
- Restaurants
- Manufacturing
- Social business
- others