Top 20 NuGet nhibernate Packages

ThreadSafe AdoNetWithDistributedTransactionFactory
Probably completely outdated NHibernate helper
Unofficial FluentNhibernate 1.4.0.0 with dependency on NHibernate 3.3.3 instead of 3.3.1. Fluent, XML-less, compile safe, automated, convention-based mappings for NHibernate.
The enterprise data mapping pattern implemented using NHibernate.
Quickly test your NHibernate mappings using the PersistenceSpecification class
Various additions for NHibernate like the Include method from EntityFramework
NHibernate 2nd level cache provider that uses System.Runtime.Caching.MemoryCache. Supports SqlChangeMonitor and HostFileChangeMonitor. Does not depend on System.Web.dll
Cache provider for NHibernate using MemoryCache.
Enables the usage of NodaTime types with NHibernate
ASP.NET Identity providers that use NHibernate.
Lightweight near zero-configuration library for easy conventional mapping for nhibernate.
Couchbase second level Cache provider for NHibernate
Core package for NHibernate bulk batcher.
NHibernate List, Bag and Set that implement IBindingList, INotifyCollectionChanged or both
Provides simple base abstraction to implement and nhibernate data layer service
Integration library for ASP.NET Core MVC for Breeze NHibernate.
Blueprinting is a library designed to assist in the creation of large collections of complex objects, especially for use in testing or database seeding tasks.
NHQS, the NHibernate Quick Start, provides a simple Fluent framework for getting started with Fluent NHibernate. It makes life a little easier for 'NH00bs' and greenfield projects.
Security Library for NHibernate
My package description.