Top 5 C# Eventsourcing Projects

Event Store

2 4,931 0.0 C#

The stream database optimised for event sourcing

Project mention: Event Store State of the Art | /r/dataengineering | 2023-03-23

I've been doing some research and found this: https://github.com/EventStore/EventStore
Marten

9 2,452 0.0 C#

.NET Transactional Document DB and Event Store on PostgreSQL

Project mention: Is anyone using Dapr | /r/dotnet | 2023-06-16

We are using ExtCore here to make our app modular: https://extcore.net/, and MartenDB for event store (which is surprisingly VERY simple) : https://martendb.io/
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EventFlow

3 2,245 0.0 C#

Async/await first CQRS+ES and DDD framework for .NET

Project mention: Practical Samples and Tutorials of Event Sourcing in .NET | /r/dotnet | 2022-10-20

For those interested in this sort of thing Eventflow is awesome
CQRSlite

1 1,047 0.0 C#

A lightweight framework to help creating CQRS and Eventsourcing applications in C#

Project mention: Which libraries/frameworks are you using for Event Sourcing? | /r/csharp | 2022-10-05

I found EventFlow but I don't know if its README is trying to tell me that it's still under heavy development. I also found Revo and CQRSlite .
Revo

2 502 6.4 C#

Event Sourcing, CQRS and DDD framework for C#/.NET Core.

Project mention: Which libraries/frameworks are you using for Event Sourcing? | /r/csharp | 2022-10-05

I'm the primary maintainer of the Revo framework you mentioned! :) Our company has been successfully using the framework throughout the service-oriented backend stack of our commercial app for 3+ years now (and we definitely intend to keep developing it). It's not just an event-sourcing framework - it also comes with features for implementing DDD, CQ(R)S, event-based architectures even with non-event-sourced entities (sort of like outbox pattern), projections and more, while still trying to keep its flexibility and not to get too much in your way.
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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-06-16.