Top 20 NuGet mapper Packages

Additional attributes for AutoMapper.
This is the Glass.Mapper core assembly that allows you to build ORMs for any CMS.
Fluent Object-Column Mappings for use with Dapper NOTE: This is not a part of the official Dapper project.
AutoMapper extensions to help map LinkIt Linked Sources to DTOs by convention.
Inspired by Dapper, SprocMapper is an easy to use and light-weight object-relational mapper specifically designed for stored procedures. Supports caching and a stack of other handy features. See https://github.com/gtaylor44/SprocMapper for examples.
An extension of MirrorMapper to execute stored procedures by name.
Query HTTP api using GraphQL with C# defined models.
An extension for Autofac-IoC to use AutoMapper with ease.
A library to import and export data from plain text files in a Linq compatible way
Reads and writes CSV files using definition mappers.
When you absolutely need ADO.NET but want to ditch the boilerplate. Do parameterized SQL with ease, asynchronously or not. Map deep POCOs with granular control beyond that of your ORM. This is the core assembly; to use with SQL Server, get FluidDbClient.Sql.
SQL Server provider for FluidDbClient. This library also makes working with Table Valued Parameters a snap.
Driver needed to connect to Neo4j using Blueprint41
Some simple CSV-tools to improve your applications
A lightweight and dynamic mapper, you don't need to declare any classes for View Model or Data Transfer Object, just declare property bindings
A simple object-to-object mapping library that can be used to map objects belonging to dissimilar types.
Implementation helper for mappers.
An object to object mapper that does not use reflection.
Smart byte mapper library optional converters
A small extension lib to easy return json or html mapped to an object instead of writting own boilerplate