Top 20 NuGet object Packages

MixCore.Extensions
Integrate with Azure DevOps Services from desktop-based, ASP.NET, and other Windows applications. Provides access to the Member Entitlement Management Service via public REST APIs.
Ultra light-weight NoSQL storage for CLR (.NET)
NHibernate is a mature, open source object-relational mapper for the .NET framework. This package enables the ability to use lazy-loading with LinFu dynamic-proxy.
NHibernate is a mature, open source object-relational mapper for the .NET framework. This package enables the ability to use lazy-loading with Spring.NET AOP.
Persistent Object Cache serializes objects and store them to disk as json. When retrieving objects cache time is validated, if cache time has been exceeded null is returned otherwise the object.
Simple & performant model mapping
A .NET library for working with a tree of objects.
Dwarf is a light weight, highly competent, versatile, easy-to-use O/R-M framework 'that doesn't get in your way'. Configured in the blink of an eye and is packed with features
An extension for converting between types
Cocoon ORM is a simple .NET object-relational mapper alternative to Entity Framework or NHibernate. Cocoon ORM supports SQL Server, and SQL Azure.
An extension for asserting object equality by using the Quarks.AssertComparer
An extension for representing a deep object graph as a flat series of values
jSon based data storage with LINQ to Object interface.
Light-weight yet powerfull XML-based OO/NoSQL thread-safe embedded database for .NETCore
A lightweight query mapping library, QueryMutator provides Queryable, Enumerable and Object extensions for automapping objects and mapping multiple expressions into one. QueryMutator is used to automatically map complex expression trees to object graphs. Used in conjunction with Entity Framework, it...
Generate gibberish filled objects. Give<Customer>.ToMe() give.Me<Customer>().With(c => c.Address = give.Me<Address>())
Object Mapping using Fluent, Annotations and Lambda