MammadovAdil 

Automatically define state of and handle graph of EntityFramework models with ease.

General utility extension methods.

A lot of HtmlHelpers to decrease code repetition on Views and increase productivity. Especially ListEditorFor is highly customizable and can help you generate productive views.

Map models from one to another.

Proeprty validators for non-supported functions by default and other additions.

Custom parsers to help to parse HTML and JSON content.

Extended version of MemoryCache.

Helper methods to easily work with EPPlus to read and generate Excel documents.

Simple convenient methods to create and write info to Windows and file logs.

Fluent methods to work conveniently with PdfSharp and MigraDoc.

Library to help to perform any operations safely.

Simple library to create and check password hash and salt.