Top 20 NuGet ORM Packages

it solves object-relational impedance mismatch in yours unit-tests. freeware, as is, no warranty.
Andamio.DAO is an abstraction over Entity Framework that follows the paradigms of the Data Access Object pattern.
This is the alpha version. Currently it is in a testing process
Map a hierarchy of entities when loading from a SQL connection. Also grab PicnicOrm.Dapper for a IGridReader implementation using Dapper.
Base classes of the EASE framework
A strongly-typed DB query interface based on Dapper. Similar to LinqToSQL.
PandoraDb is a easy handling data access framework, based on ADO.NET. It means that PandoraDb is faster and lighter than others framework.
Deft is a microlight and high-performance ORM for .NET
Persistence layer for sitecore using glass.mapper
Kinglot.Data is an ORM library.
Cronos Object Relational Mapper
Fork from fluentdata which a power simple ORM library of dot net
An ORM framework with CRUD functionality and CSV exportation support.
Redis Cache For SmartSql
ORM Wrapper
ORM Wrapper
Dapper ORM extension that enables you to stream results of a query into a stream.
ORM for distillery application