awesome-ddd

A walkthrough of using EventStorming and other modeling techniques to build a CQRS and Event Sourcing-based prototype for a fictional business domain

Concrete tools, techniques, and processes to align software architecture with your business domains, organizational design, team topologies, and corporate strategy

A practical guide for effectively involving all stakeholders in the design of software.A practical guide for effectively involving all stakeholders in the design of software

Notes by Mark Nijhof from his experiences learning DDD and CQRS from Greg Young. There is an extensive sample project that accompanies this book

The canonical book that coined the term Domain-Driven Design. Also known as the "Blue Book."

Very good starter book before you read or

Real examples written in PHP showcasing DDD Architectural Styles, Tactical Design, and Bounded Context Integration

Domain-Driven Rails describes 11 techniques (from Bounded Contexts to Event Sourcing) that you can use separately and together in new and old Rails apps to achieve better architecture

Tackle Software Complexity with Domain-Driven Design and F#

Tangentially connected to DDD, describes the importance of the Ubiquitous Language and working together with domain experts, along with lots of technical details

A walkthrough of using Domain-Driven Design with Event Sourcing and CQRS using ASP.NET Core and SQL Server in production

Tackling complexity in the heart of software by putting DDD principles into practice by Alexey Zimarev

Also a canonical book presenting a top-down approach to understanding Domain-Driven Design. Also known as the "Red Book."

Learn how to implement DDD, CQRS and Event Sourcing. Understand the theory and put it into practice with JavaScript and Node.js

The deepest tutorial and explanation about EventStorming, straight from the inventor

Learn the essential patterns and practices of domain-driven design and how to apply them in your day-to-day work, both in greenfield and brownfield projects

A software architect’s digest of core practices, pragmatically applied

Methods for managing complex software construction following the practices, principles and patterns of Domain-Driven Design with code examples in C#

Shows how to use Domain-Driven Design to avoid security vulnerabilities

This book distills from the experience of leading teams worldwide effective ways to specify, test, and deliver software in short, iterative delivery cycles. Case studies in this book range from small web startups to large financial institutions, working in many processes including XP, Scrum, and Kanban

Have you had troubles with versioning an Event Sourced system? Just getting into a new Event Sourced system for the first time? This book is the definitive guide of how to handle versioning over long periods of time

A quick read exploring the core patterns and principles of Domain-Driven Design, as well as strategies for applying DDD in brownfield projects

Writing Great Specifications is an example-rich tutorial that teaches you how to write good Gherkin specification documents that take advantage of Specification by Example's benefits

An infographic on the anatomy of Domain-Driven Design

Provides end-to-end guidance on building monolithic web applications using DDD, ASP.NET Core, and Azure

A book about Pythonic application architecture patterns for managing complexity

Exploring CQRS and Event Sourcing

To celebrate the anniversary, we've asked prominent authors in the software design world to contribute old and new essays. With contributions by Martin Fowler, James Coplien, Rebecca Wirfs-Brock, Mel Conway, and many more

A summary of the patterns and definitions of DDD

Domain Driven Design Quickly is a short, quick-readable summary and introduction to the fundamentals of DDD

In this three-part series, Vaughn Vernon walks through some common design pitfalls, discusses the pros and cons of various aggregate modeling choices, and provides rules of thumb to guide modeling of aggregates

Describes three strategies for getting started with DDD when you have a big commitment to legacy systems

Discover how a Living Documentation can help you in all aspects of your projects, from the business goals to the business domain knowledge, architecture and design, processes and deployment, even if you hate writing documentation

An introduction to developing microservices-based applications and managing them using containers

A 68 pages long free ebook on what DDD, CQRS and event-sourcing are, and how they fit each other

This magazine is packed with visionary and practical insights, based on personal, business, and customer experiences to support you on your DDD journey

Visual Collaboration Tools is a book for teams building software. It describes tools that help us in our daily job, and also present field stories from different practitioners

Online training course from Udi Dahan. Udi's live training schedule can be found

Public Workshops by Eric Evans, Alberto Brandolini, Mathias Verraes, Rebecca Wirfs-Brock, Nick Tune, and many more

public and in-house Domain-driven design workshops from foundation to professional level

Vaughn Vernon's online training course

Using our video lessons with Eric Evans, author of the original book on Domain-Driven Design (DDD), teach yourself techniques for evolving practical models that improve your software — not just your documents

Introduction to DDD, CQRS, and Event Sourcing

( ) - learn the fundamentals of EventStorming. Everything about EventStorming with examples

These videos include the entirety of Greg Young's DDD, CQRS, and Event Sourcing class

Mixter

CQRS and Event Sourcing Koans

Introduction to Event Sourcing and CQRS

Teaches the fundamentals of Domain-Driven Design (DDD) through a demonstration of customer interactions and a complex demo application, along with advice from Eric Evans

A descriptive, in-depth walk-through for applying Domain-Driven Design principles in practice

This course covers DDD analysis patterns helpful in discovering the top-level architecture of a business domain. Architects and developers will find details of implementation patterns such as Domain Model, CQRS, and Event Sourcing

Introduction to DDD, fundamentals of CQRS & Event Sourcing for Ruby/Rails developers

This course will discuss the reasons we use CQRS/ES, what benefits it provides us, but also what it will cost us to use. We will see how CQRS/ES can impact the scalability, consistency, and availability of our application

Use DDD to decompose a problem domain into manageable parts. Learn how those parts can become the foundation of Reactive Microservices and Reactive Architecture. Free, online, self-paced. Certificate offered upon completion

Learn how to build event sourced applications in Laravel using Spatie's event-sourcing package. Has 2 hours of video content and an accompanying ebook

Recordings of talks given at DDD Europe

Searching DDD returns various talks given by Greg Young, Alberto Brandolini, and Dan North, etc

A YouTube collection of talks given by Alberto Brandolini on Event Storming

A vimeo channel focused on DDD and CQRS

A YouTube collection of various talks given by Greg Young

Recordings of the talks given at the Explore DDD conference

A YouTube collection of talks given at KanDDDinsky

A youtube collection of recorded meetups session from Virtual Domain-driven design

A YouTube collection of webinars focused on DDD in Ruby on Rails

Session from 2017 DevoxxUK on how to define bounded contexts

An active mailing list and an excellent resource to ask questions and learn fine-grained details about DDD/CQRS

The Google Group to discuss Domain-Driven Design in Spanish

The place to discuss Domain-Driven Design, CQRS, Event Sourcing, Model Storming, Hexagonal Architecture, Distributed Systems, Reactive... in the context of PHP

The Google Group to discuss EventStorming

A collection of articles on Domain-Driven Design in Ruby on Rails

A subreddit for Ruby developers interested in Domain-Driven Design

DDD/CQRS/ES Discord

A Discord (old Slack) team for those who want to chat about Domain-Driven Design, CQRS, Event Sourcing and sometimes random things. Main channel is language and framework agnostic

A Discord team about Domain StoryTelling (#domain-storytelling channel) by . The homepage is at

Software Engineering Stack Exchange questions tagged

Code Review Stack Exchange questions tagged

Stack Overflow questions tagged

Advanced Topics in Event Sourcing / CQRS / DDD

Advanced Topics in Event Sourcing / CQRS / DDD list compiled and maintaned by @

Questions tagged

A Slack team on DDD, event-sourcing, CQRS and wolkenkit

Awesome Event Storming

awesome list that focuses only on Event Storming

Awesome Domain Storytelling

awesome list that focuses only on Domain Storytelling

Online meetups with panel discussions, online collaborations and resource sharing

Domain-Driven Design Heuristics is a community driven site to document and discuss about Design Heuristics

Domain-Driven Design in dynamic languages GitHub

GitHub's profile of Domain-Driven Design in dynamic languages

GitHub's profile of Domain-Driven Design Crew

Context Mapping by ddd-crew

Context Mapping Cheatsheet and Starter Kit by ddd-crew

Upcoming live training, events, and user groups across North America

Helpful development and design advice for .NET developers

Steve Smith. Pluralsight author and author of course and Microsoft

Weekly curated links related to DDD/CQRS/ES

Want to learn about CQRS and Event Sourcing? This blog is packed with step-by-step articles to give you a head start

Being so immersed in finance while still in love with programming, I’m naturally a big fan of Domain-Driven Design by Eric Evans, along with TDD, BDD and agile/XP practices

I focus on DDD, distributed systems, and any other acronym-centric design/architecture/methodology

CodeBetter.Com exists in order to help foster awareness of better practices, superior tools, proven methodologies and techniques within the software development community

Good Enough Software is By Definition Good Enough

Domain-Driven Design Content on InfoQ

Inventor of Behavior-Driven Design. Blogs and talks about Event Storming also

Maintainable code is a business advantage. Creator of Domain Map: The Domain Modeling Tool - Easy And Powerful Domain Driven Design

Principal Middleware Architect @ Red Hat, open-source enthusiast, committer @ Apache, Cloud, Integration, Kubernetes, Docker, OpenShift, Fabric8

Pluralsight author. Blogs about software development principles and best practices

Articles on TechBeacon tagged

Articles under the category

Inventor of Event Storming. Asserting that problems cannot be solved with the same mindset that originated them, Alberto switches perspective frequently assuming the architect, mentor, coach, manager or developer point of view

Various articles about DDD/CQRS. Implemented Greg Young's SimpleCQRS sample in F#

Vaughn Vernon understands the unique demands of software development and the challenges you face as you improve your craft in a fast-paced industry

Various DDD-related articles

Practical event sourcing

Excellent articles and talks on Domain-Driven Design

From the creator of NServiceBus

From the creator of the MassTransit distributed application framework

From the CTO and co-founder of Petabridge, developers of the Akka.NET Actor Model framework

Mostly C#, DDD, and Akka.NET

Ranting and Programming in Java, Clojure, and JavaScript. Articles tagged under

Content by Oasis Digital tagged under

Adaptech Solutions blog. Our founder, Adam Dymitruk, debated the merits of CQRS with Greg Young before Greg coined the term. Adam and business partner Robert Reppel are among the leading practitioners of event-sourced microservices

Several articles about DDD from 2013, which are still relevant

Software architect, trainer, book author. Author of

Domain-Driven Design mixed with security, and agile in general. Written as fictional letters to a younger programmer

DDD & Co. series

Various DDD, CQRS, Event Sourcing related articles from Ruby experts

DDD series - language, domain, modeling, infrastructure, implementation in PHP

DDD, CQRS, TDD blog posts with code samples in C# .NET

DDD series introduction and talk about how to implement DDD with TypeScript

DDD, BDD, Socio-technical, EventStorming and continuous delivery blogs

Personal blog about Domain-Driven Design, Visual Collaboration, leadership and organisational design. And other things in between. Curator of and host of the

GlobalAppTesting's engineering blog with materials on practical DDD and CQRS

BDD in GO

Sample app demonstrating the use of Cucumber + GO for a BDD testing approach. Blog post can be found

Citerus DDD Sample App GO Port

This is an attempt to port the to idiomatic Go. It can be run in a dockerized mode for previewing the application

DDD by Refactoring

Complete serverless application to show how to apply DDD, Clean Architecture, and CQRS by practical refactoring of a Go project. A full blog series about it can be found at

DDD Food App

Sample DDD application implementing the 4 layers (Domain, Infrastructure, Application and Interface) and considering two domain patterns. There's a blog article written for it

DDD Sample in GO

Just another sample application implementing the four layers of DDD

Evolutive CRUD API

API implementation with full CRUD using a SOLID, Hexagonal Architecture. There is a series of blog post written for it at

Simple Hexagonal Architecture PoC API

PoC for a patients API using the hexagonal architecture pattern

Azure DDD boilerplate

A boilerplate project for DDD in Azure using a custom handler and Cosmos DB for event sourcing

Better code with DDD building blocks

solution presents usage of DDD tactical patterns to achieve better readability and expressiveness of the code. Applying DDD patterns together with ubiquitous language closes the gap between language spoken by experts and the team and language used in the code

CQRS-DDD Example

Domain Driven Design, CQRS, & Event Sourcing Example using GetEventStore, CommonDomain, NServiceBus, Entity Framework, SQL Server, SignalR

Companion Code for Microsoft .NET Architecting Applications for the Enterprise

An event based Micro ERP

ContosoUniversityCore

ContosoUniversity on ASP.NET Core with Full .NET Framework

DDD-starter-dotnet

Sample implementation and comparison of various approaches to building DDD applications. Useful as a baseline to quickly start a DDD .net project

DDDInventoryItemFSharp

An idiomatic F# implementation of Domain-Driven Design

DDDSkeletonNet

(C#) - a .NET skeleton project to introduce the concepts of Domain Driven Design and loosely coupled layers

DotNet CQRS Intro

Examples of implementation CQRS with Event Sourcing - evolutionary approach (no CQRS, separate models and commands with the same model, separate models and commands with separate models, separate storage engines, event sourcing)

.NET CLI and VS Templates with simple use cases to build scalable applications on top of .net core with architectural best practices (DDD, onion architecture etc)

EmailMaker

Email marketing ASP.NET Core MVC and ASP.NET MVC demo app demonstrating usage

Equinox Project

Full ASP.NET Core 3.1 application with Clean Architecture, DDD, CQRS and Event Sourcing concepts

eShopOnWeb

Full ASP.NET Core 3.1 reference application from Microsoft showing monolithic deployment architecture

eShopOnContainersDDD

eShop fullstack example featuring catalog, basket, checkout, and order bounded contexts

Example of Domain Driven Design for the game of checkers. There are two files: a scratch file with a series of designs, and a final version

Event Sourcing .NET

samples and resources about Event Sourcing and CQRS in .NET. Contains also a self-paced kit of how to built own Event Store

EventFlow.Example

DDD, CQRS, and Event-Sourcing example and contains following technology stack: , , , , ,

Fohjin

Example project that accompanies Mark Nijhof's book

FsUno

Event sourcing implementation sample in F#

IDDD Samples in .NET

These are the sample Bounded Contexts for C#.NET from the book "Implementing Domain-Driven Design" by Vaughn Vernon

Microsoft Patterns and Practices: CQRS Journey Sample Code

Sample code from CQRS Journey

Modular Monolith

Full Modular Monolith .NET application with Domain-Driven Design approach

NLayerAppV3

(.Net Core Preview 2) - a N-Layered Architecture Sample Project

Reactive Trader Cloud

Reactive Trader Cloud by Adaptive Consulting

Sample .NET Core CQRS REST API

.NET Core REST API CQRS implementation with raw SQL and DDD using Clean Architecture

Scritchy

CQRS without the Plumbing,

Simple CQRS in F#

Greg Young's SimpleCQRS in F#

SimpleCQRS

Greg Young's "Simplest Thing" CQRS with Event Sourcing project

TaskoMask

Task management system based on .NET Core with DDD, CQRS and Event Sourcing Concepts

TodoMVC-DDD-CQRS-EventSourcing

Implementation of basic Todo app via tastejs/todomvc in C#/Typescript with eventsourcing, cqrs, and domain driven design

Eventuria gsd

Haskell todo list reactive application with DDD, CQRS and Event Sourcing, FRP

Dependently typed implementation of the Domain Modeling Made Functional book. An example project how to formalize Bounded Context and Workflow diagram with dependent types. A NodeJS deployable demo

A collection of DDD sample applications, such as TodoMVC, a geocaching app, collaborative boards etc

Booster framework examples

Example applications built with Booster Framework

Over-engineered ToDo app

Complete working example of using Domain Driven Design (DDD), Hexagonal Architecture, CQRS, Event Sourcing (ES), Event Driven Architecture (EDA), Behaviour Driven Development (BDD) using TypeScript and NestJS generated using the

Akka CQRS ES Demo

Demo project to implement the CQRS and Event Sourcing patterns in Scala-Akka

DDD By Examples - Library

sample project of a library driven by real business requirements. Modular monolith implemented with the help od DDD, BDD, EventStorming, Example Mapping, CQRS, and more

DDD Leaven

DDD-CQRS sample v2.0 project that helps you with starting out advanced domain modeling using Spring, JPA and testing

DDD Workshop - Project Manager

"Do It Yourself" DDD workshop and a sample DDD application at the same time. Based on a project managing domain

Event Sourcing Example

A simplified (in memory) example of Event Sourcing and CQRS implementation for Java code (modeled for banking domain use cases)

Event Sourcing and CQRS Examples

A pragmatic application of Event Sourcing and CQRS in Java with good references for common related problems, e.g. event ordering and idempotency

Event Sourcing and CQRS Sample

Sample event sourced application with Command Query Responsibility Segregation

IDDD Samples

These are the sample Bounded Contexts from the book "Implementing Domain-Driven Design" by Vaughn Vernon

Java CQRS Intro

Examples of implementation CQRS with Event Sourcing - evolutionary approach (no CQRS, separate models and commands with the same model, separate models and commands with separate models, separate storage engines, event sourcing)

Kotlin DDD Sample

Sample DDD/CQRS project written in Kotlin

EventStormingWorkshop - Designing Cloud Native Microservices On AWS

A concrete sample to go through EventStorming workshop and implement DDD tactical design pattern in Java, apply AWS cloud native services to build up business Event based Coffeeshop scenario

DDDSample

Sample DDD project using Spring Boot (originally hosted in )

This project demonstrates how you can develop applications with the Jakarta EE platform using widely adopted architectural best practices like Domain-Driven Design (DDD). is intended to mirror a non-trivial application that developers in the real work would work on. It attempts to demonstrate first-hand how you can use Jakarta EE to effectively meet practical enterprise concerns such as productivity, agility, testability, flexibility, maintainability, scalability and security. The project is directly based on the well known original developed by DDD pioneer Eric Evans' company Domain Language and the Swedish software consulting company Citerus

https://github.com/felipexw/clean-arch-ddd-intro

Simple DDD + Clean Architecture using Micronaut

CodefyPHP Framework

A PHP framework for codefying and building complex applications using Domain-Driven Design, CQRS, and Event Sourcing

DDD CQRS Todo Sample

DDD CQRS ADR hexagonal architecture implementation built with PHP 7 and Symfony 5

DDD Wish List

A sample application in PHP built with Symfony 3 and Vue.js

DDD Playground

Sample implementation in PHP

Eric Evans DDD Cargo Sample

PHP 7 Version of the cargo sample used in Eric Evans DDD book

Shop Cart in PHP

Sample project that demonstrates how simple shop cart can look like. Domain objects,Doctrine integration.,TDD,layers,unit testing

Symfony 5 DDD ES CQRS backend

DDD, CQRS and Event Sourcing app using Symfony and PHP 8

Ginkgo

Ginkgo builds on Go's testing package, allowing expressive Behavior-Driven Development ("BDD") style tests

GOBDD

Small BDD framework for GO

GoConvey

Go testing in the browser. Integrates with . Write behavioral tests in Go

Godog

Package godog is the official Cucumber BDD framework for Golang, it merges specification and test documentation into one cohesive whole, using Gherkin formatted scenarios in the format of Given, When, Then

Aggregates.NET

.NET event sourced domain driven design model via NServicebus and GetEventStore

AggregateSource

Lightweight infrastructure for doing eventsourcing using aggregates

Akka.NET is a toolkit and runtime for building highly concurrent, distributed, and fault tolerant event-driven applications on .NET & Mono

Successor of ASP.NET Boilerplate - ASP.NET Core based application framework to create NLayered, Domain Driven Designed web applications with a microservice focused modular architecture

ASP.NET MVC, Web API and ASP.NET Core based application framework to create NLayered, Domain Driven Designed web Applications implementing best practices

ByValue

This library helps to create ValueObjects (even with collection properties) with properly implemented equality behavior

Middleware to handling commands over HTTP; typically used in CQRS applications

Cirqus

d60 event sourcing + CQRS framework

CommandQuery

Command Query Separation for 🌐ASP.NET Core ⚡AWS Lambda ⚡Azure Functions ⚡Google Cloud Functions 🌐ASP.NET Web API 2

CoreDdd

Set of open-source .NET libraries helping with DDD and CQRS, with NHibernate persistence

CQRS on Azure

CQRS on Windows Azure

Build better applications with Dolittle. An Event Sourced, Microservice platform oriented around DDD with developer productivity and simplicity front and center

Library and tutorial for how to build CQRS/ES applications, including a BDD style testing framework

EventFlow

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

Core.EventStore

A library to facilitate communication between CommandService and QueryService. The Idea is when any event occures in commandService, it should be persisted in QueryService in MongoDb

Its.Cqrs

A set of libraries for CQRS and Event Sourcing, with a Domain-Driven Design flavor

Marten

Postgresql as a Document Database and Event Store for .Net Applications

MassTransit

Distributed Application Framework for .NET

MediatR

Supports request/response, commands, queries, notifications and events, synchronous and async with intelligent dispatching via C# generic variance

Described in this video: by Paulmichael Blasucci at the New York F# .NET User Group

A smart set of common classes and implementations to improve your development productivity using .NET (DDD, CQRS, Specification Pattern, MediatR, Validations, Notifications)

NEventStore

A persistence library used to abstract different storage implementations when using event sourcing as storage mechanism

NServiceBus

Service bus for .NET

Projac

Projac is a set of projection libraries that allow you to write projections targetting various backing stores

shriek-fx

An simple,elegant and useful Domain-Driven Design and CQRS framework developed using .NET Core 2.0

SqlStreamStore

.NET Stream Store library targeting SQL based implementations

Streamstone

Event Store for Azure Table Storage

Stringly.Typed

Making it easier to convert strings to/from .NET types

Xer.Cqrs

A simple library for creating applications based on the CQRS pattern with support for attribute routing and hosted handlers. Developed in C# targeting .NET Standard 1.0

The open-source, functional database with Complex Event Processing in JavaScript

Business event capture and querying framework

Message DB

Microservice Native Event Store and Message Store for Postgres. A fully-featured event store and message store implemented in PostgreSQL for Pub/Sub, Event Sourcing, Messaging, and Evented Microservices applications

Complete platform for Event Sourcing & CQRS

Commanded

Command handling middleware for CQRS/ES applications, Pure Functional Data Structures for Aggregates and Process Managers, Point-to-Point message routing, and much more in Elixir (Erlang VM) - All in Actor concurrency model

Event Bus

Traceable, extendable and minimalist event bus implementation for Elixir with built-in event store and event watcher based on ETS

eventstore

CQRS event store using PostgreSQL for persistence

CQRS implementations in node.js. Includes , , ,

A CQRS, DDD, and event-sourcing framework for JavaScript and Node.js

Bitloops Language (BL)

Open-source, 4th-generation, transpiled programming language that helps you write clean code, well-designed systems, and build high-quality software that is testable, auditable and maintainable using DDD and Hexagonal Architecture

A CQRS, DDD and event-sourcing open-source framework that leverages all the infrastructure and uses high-level abstractions and conventions. It help users build advanved even-driven applications letting them focus on business logic exclusively

Node API Boilerplate

NodeJS web API boilerplate for DDD and Clean Architecture applications

akka-ddd

Reusable artifacts for building applications on top of the Akka platform following CQRS/DDDD-based approach

Apache Isis is a framework for rapidly developing domain-driven apps in Java

The axon framework is focused on making life easier for developers that want to create a java application based on the CQRS principles

DDDplus framework

A lightweight flexible development framework for complex business architecture based on DDD

JESA

Event sourced aggregates for Java

The Lagom Framework is a microservices framework for the Java Virtual Machine, with APIs for the Java and Scala languages. It includes an Event Sourcing/CQRS based persistence module

A set of building blocks that enable you to code business logic according to the Domain-Driven Design (DDD) approach

a CQRS/ES framework for building cloud applications. Defines Bounded Contexts with their Commands, Events, and Entity states in Protobuf. The backend logic is written in Java, on top of the Proto-generated code. Client code in Java, JS or Dart communicates with the backend via gRPC

Ahoo-Wang/Wow

A Modern Reactive CQRS Architecture Microservice development framework based on DDD and EventSourcing

Broadway

Broadway is a (PHP) project providing infrastructure and testing helpers for creating CQRS and event sourced applications

Enables message driven architecture in PHP and provides building blocks to follow DDD and CQRS principles

PHP Glossary

Apply a Term Analysis to extract domain terms vs out-of-scope terms in a DDD manner

Eventsoucing in Python

Mature, stable Python library for event sourcing and DDD. Supports wide variety of databases, different kinds of orderings of domain events, application level encryption, snapshotting, optimistic concurrency control, and process events. Applications, and entire systems of applications, can be defined independently of infrastructure, and run in different ways (single threaded, multi-threaded, clocked, stepping, multi-process, actor model) and with different infrastructure

A set of libraries for pluggable business logic components

PyAssimilator

Quickly create DDD Python patterns, Event-Based Systems, CRUD applications. Set of Python patterns for database access that support SQLAlchemy, MongoDB, Redis, or Pure Python. PyAssimilator allows you to write code without dependencies, meaning you can switch SQL to NoSQL without changing a single file in your system

Event Sourcing and Microservices Stack for Ruby. A set of libraries for writing event driven, autonomous services

Rails Event Store (RES) is a library for publishing, consuming, storing and retrieving events. It's your best companion for going with an event-driven architecture for your Rails application

11 June 2015

19 August 2014

10 May 2007

29 August 2006

2012 thru 2016

13 May 2015

30 January 2015

The Leading DDD conference (online during COVID19)

A new event for the CQRS/EventSourcing community

A curated conference for DDD newcomers

Submit your talks to all the DDD user groups at once

Specific about EventStorming

a knowledge-crunching technique that helps the people involved to familiarize themselves with the domain and work out a model that expresses their shared understanding. Available as a , as well as open-source online tool, ( )