PASSWORD RECOVERY
Often for writing server applications using the popular and convenient language PHP, although as popular Perl, Pyton, Java, Ruby, Node.js, ASP.NET (C #). Also, it is often subject to this area and create simple databases using MySQL, MSSQL, and sometimes NoSQL databases such as MongoDB. Often used in programming the MVC pattern or modular HMVC. Sometimes just SingleTon, where all in one.