Top 20 NuGet sourcing Packages

Eventual message contracts
Firebase ReadStore and BackUpReadStore for EventFlow
CQRS core functionality for Fabricators Guild solutions
SQLite database provider for Weapsy.Cqrs event store.
PostgreSQL database provider for Weapsy.Cqrs event store.
CosmosDB (DocumentDB) database provider for Weapsy.Cqrs event store.
AggregateSourceAsync is an async capable version of AggregateSource project.
Support for event sourcing using DDD
This package contains a wrapping implementation of IDispatcher which supports writing snapshots of in-memory viewmodel state to disk, serialised with ProtoBuf.
Cronus is a lightweight framework for building event driven systems with DDD/CQRS in mind
Allows the addition of Event assemblies during the startup of an ASP .Net Core application.
Implements the event sourcing pattern for entities persisted via EF
Provides the core APIs to implement the event sourcing pattern and an application event bus.
Provides additional behavior to the Event Sourcing package DomainObject partial class to allow auto wiring of event handlers using conventions.
SeekU Azure provider for command bus, event bus, event stream storage, and snapshot storage.
Building any application involves writing some boring general code, this is supposed to help you get started with an event sourced application.
Ximo is a toolset of selected extensions and utilities to assist with learning/development tasks revolving around domain driven design, CQRS and Event Sourcing.