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# is an object-oriented programming language developed by Microsoft. C# belongs to the family of C-like languages. C# requires the .NET Framework.


C# is used to develop PC applications, create web services, and mobile applications.


In each of the ratings, C# is confidently included in the TOP 10 most popular and in-demand programming languages.