Top 20 NuGet cqrs Packages

Async/await first CQRS+ES and DDD framework for .NET - https://docs.geteventflow.net/
StructureMap support for Aggregates.NET
Combination package for Commands and Queries when using Dynamic Controllers.
MicroBootstrap is a framework for quickly and conveniently creating microservices on .NET Core.
A library for writing and reading streams (also known as an 'event store') with a focus on SQL based implementations. This contains the core interfaces, abstractions and an in-memory implementation for tests.
SQL Server (2012+) provider for SQL Stream Store
An extension for Autofac-IoC to use MediatR and CQRS with ease.
.NetCore bits.
Simple dynamic controllers package that puts the focus on resources.
AspNetCore bits.
Cross-Cutting.NetCore bits.
Simple domain events.
DotNetCore.EntityFrameworkCore
Cronus is a lightweight framework for building event driven systems with DDD/CQRS in mind
Streamstone is a lightweight library which implements a low-level mechanics of Event Store on top of Windows Azure Table Storage. Handles concurrency conflicts via optimistic locking. Supports custom event and stream metadata. Optimized for batch processing.
Cronus is a lightweight framework for building event driven systems with DDD/CQRS in mind
In Process Service Bus
Cronus is a lightweight framework for building event driven systems with DDD/CQRS in mind
MicroPack is a framework for quickly and conveniently creating microservices on .NET Core.
Functional API for MSR Orleans. Server-side library.