Awesome CQRS and Event Sourcing

A curated list of awesome CQRS and Event Sourcing things.

Inspired by all the other awesome things.

Intro

• CQRS, Task Based UIs, Event Sourcing agh!
• CQRS & Event Sourcing. Talk by The Guild
• CQRS, Event Sourcing & co. – Rethink How You Build Software

CQRS

• CQRS by Martin Fowler
• Command/Query Responsibility Segregation
• Clarified CQRS
• CQRS Journey
• Edument

Event Sourcing

• Event Sourcing by Martin Fowler
• Event sourcing revisited
• Event Sourcing applied – the Aggregate
• Event-sourcing, Part I
• Event sourcing for the rest of us
• Achieving Consistency in CQRS with Linear Event Store
• Entry-level, synchonous & transactional event sourcing
• Event Sourcing vs Command Sourcing
• A Whole System Based on Event Sourcing is an Anti-Pattern
• Event Sourcing and AI
• Start mastering event sourcing

Domain Events

• Domain Event by Martin Fowler
• Domain Event by Mathias Verraes

REST and CQRS

• REST API Design - Resource Modeling
• Exposing CQRS Through a RESTful API
• Reconciling ReST, CQRS and Event Sourcing
• CQRS with Elixir and Phoenix
• Should CQRS services be RESTful?

Talks (Slides)

• Event sourcing in practice
• Introduction to Event Sourcing and CQRS with Broadway (PHP Benelux 2016)
• Building Microservices with Event Sourcing and CQRS
• Building and deploying microservices with event sourcing, CQRS and Docker (QCONSF 2014)
• Agile, Architecture, DDD and CQRS
• CQRS recipes or how to cook your architecture
• REST and DDD

Talks (Videos)

• Greg Young — A Decade of DDD, CQRS, Event Sourcing
• Greg Young - CQRS and Event Sourcing - Code on the Beach 2014
• CQRS/DDD by Greg Young
• GregYoung 8 CQRS Class
• Practical Event Sourcing
• CQRS with Erlang
• Building Microservices with Event Sourcing and CQRS
• GeeCON 2014: Sandro Mancuso - Crafted Design
• Skills Matter
• YOW! Nights March 2016: Martin Fowler - Event Sourcing

Examples

• Simple CQRS example
• Microsoft patterns & pratices CQRS Journey sample application
• Broadway
• Broadway Examples
• Buttercup.Protects
• EventCentric.Core
• A simple event sourcing example with snapshots using lambda and dynamodb

Event Stores

• KurrentDB - Database that's engineered for modern software applications and event-driven architectures (previously EventStoreDB)
• EventStore - An event store using PostgreSQL for persistence written in Elixir
• Marten DB - .NET Transactional Document DB and Event Store on PostgreSQL.
• Message DB - PostgreSQL
• Pravega - Java implementation (CNCF).
• SQLStreamStore - An event/stream store library in .NET with support for PostgreSQL/SQL Server/MySQL etc.
• DynamoDB EventStore - An event store implementation on top of Amazon DynamoDB (JavaScript).
• DynamoDB EventStore - Another event store implementation on top of Amazon DynamoDB (TypeScript).
• DynamoDB EventStore (article) - Article on an event store on DynamoDB
• EventSourcingDB – A database specifically built for event sourcing
• The Definitive Event Sourcing Database Guide – Choosing the right database as an event store
• GenesisDB - A GDPR-ready event sourcing database engine

Libraries/Frameworks

• Commanded - Elixir CQRS/ES library with support for KurrentDB
• Equinox - .NET Event Sourcing library with CosmosDB, KurrentDB, SqlStreamStore and integration test backends.
• EventFlow - Async/await first CQRS+ES and DDD framework for .NET.
• Eventuous - Minimalistic Event Sourcing library for .NET (KurrentDB)
• Propulsion - .NET event stream projection and scheduling platform with EventStore, CosmosDb, Equinox and Kafka integrations
• Memstate - In-memory event-sourced ACID-transactional distributed object graph engine for .NET Standard.
• castore - Typescript library to easily implement Event Sourcing on your project
• OpenCQRS – Java CQRS Framework for the EventSourcingDB
• CQRSKit - A TypeScript CQRS and Event Sourcing framework with pluggable database adapters
• python-cqrs - Python CQRS framework with Transaction Outbox, Saga orchestration, and Mediator pattern support.

Tools

• Datomic Essentials
• GenesisDB MCP Server
• GenesisDB LocalStack for Mac

Books

• Exploring CQRS and Event Sourcing
• Domain-Driven Design Distilled - Vaughn Vernon
• DDD Reference - A summary of the patterns and definitions of DDD. Eric Evans
• Versioning in an Event Sourced System - Greg Young

Twitter

• Greg Young
• Daniel Whittaker
• Sandro Mancuso

Blogs

• Mathias Verraes
• Vaughn Vernon: Software Craftsman
• CQRS & Event Sourcing by Daniel Whittaker
• Software Design by Rinat Abdullin
• Think Before Coding by Jérémie Chassaing
• Konrad Garus
• EventSourcingDB Blog

Podcasts

• Being the Worst

Community

• StackOverflow CQRS
• StackOverflow Event Sourcing

Groups

• DDD/CQRS
• DDDinPHP
• ddd-cqrs-es/slack-community

Discussions

• DDD/CQRS/ES/NoSQL and functional programming
• Acting like I don't get the message :-/
• Achieving consistency in CQRS with linear event store

Events

• Domain-Driven Design Europe

More awesome

• awesome-ddd

License

To the extent possible under law, @leandrocp has waived all copyright and related or neighboring rights to this work.