Top 20 NuGet ORM Packages

.NET SQLServer Data Access, Object Relational Mapper and Caching Library
Entity Framework provider for LightDataInterface.
Infrastructure project setup for building modern enterprise applications using EntityFramework or Azure Table Storage.
EntityFrameworkCore.FirebirdSql is an ORM, created at the top of the Firebird ADO.NET (FirebirdSql.Data.FirebirdClient) Data Provider. It allows you to use Entity Framework Core 2.0 as an extension, to access Firebird (2.x, 3.x, 4.x)
Simple Data Accesss Layer for EntityFramework with some helpfull features. There is a ReadableReposity and WritableRepository. PagedList collection and mapping to entities to ViewModels.
Library for EntityFramework to support ambient DbContexts and comprehensive entity deletion mechanisms
OData service library - Uses Web API OData to implement a default OData API for an EF DbContext. Can be customized using normal Web API extension points.
Grebok
Extensions for Entity Framework Core. ModelBuilder extensions: ApplyConfigurationsFromAssembly, ApplySoftDeleteFilter. ChangeTracker extensions: AddCreationTracking, AddSoftDeleteTracking, AddModificationTracking. IQueryable extensions: OrderBy, FilterSoftDeleted.
SQL Server cache provider for NHibernate using .Net Core IDistributedCache (Microsoft.Extensions.Caching.SqlServer).
Provides an NHibernate driver that uses the Microsoft Transient Fault Handling library to allow for reliable SQL Azure connections. Unlike NHibernate.SqlAzure, this library doesn't come with TransientFaultHandling IL-merged - instead it's a NuGet dependency.
ApplicationInsights support for Cosmonaut
Microsoft Dependency Injection extension methods
Handle database errors easily when working with Entity Framework Core. Catch specific exceptions such as UniqueConstraintException, CannotInsertNullException, MaxLengthExceededException, NumericOverflowException or ReferenceConstraintException instead of generic DbUpdateException
Handle database errors easily when working with Entity Framework Core. Catch specific exceptions such as UniqueConstraintException, CannotInsertNullException, MaxLengthExceededException, NumericOverflowException or ReferenceConstraintException instead of generic DbUpdateException
Mock DbSet and DbContext mocking amenities for JustMock Lite.
VITA ORM Core Functionality.
Extension handlers for entity framework
SQLite-Net Extensions is a very simple ORM that provides cascade operations, one-to-one, one-to-many, many-to-one, many-to-many, inverse and text-blobbed relationships on top of the sqlite-net library.
This package contains Telerik.OpenAccess.Web.dll targeted for .Net 2.0/3.5 projects