MongoDB

 MongoDB is an open source, document-based database management system that does not require a table schema description. MongoDB - classified as NoSQL and uses JSON-like documents and a database schema. If all four previous DBMSs are well known to most IT professionals, then few have heard of MongoDB. But she confidently takes the 5th line in almost all ratings. And as a result, in our ranking, she also occupies the 5th position.

C/C++


 C/C++ are compiled programming languages. They are widely used for the development of operating systems, various application programs, drivers, and games.


The peculiarity of these languages is that they can write high-performance code, so these languages are great for systems that require maximum performance.


These languages have long been among the most popular and in demand, so no rating is complete without mentioning these languages.