event foundationan initiative by the native web

Concepts overview →

Modeling

What is Domain-Driven Design?Event-Storming Modeling Events Designing Aggregates Dynamic Consistency Boundaries (DCBs)

Remembering

Introduction to Event Sourcing What is CQRS?Use Cases Designing Read Models Read-Model Consistency and Lag Eventual Consistency in Practice Snapshots and Performance Optimizing Event Replays Patterns for Temporal Queries Versioning Events GDPR Compliance Common Mistakes

Building

Deciders Hexagonal Architecture Building Event Handlers Building Event-Driven Applications Task-Based UIs Testing Event-Sourced Systems Building with AI

Integrating

What is Event-Driven Architecture?Domain Events and Integration Events Reliable Delivery CloudEvents Data Mesh and Data Products

Analyzing

Event Sourcing and AI Designing Analytical Projections Point-in-Time Correctness Features from Events LLMs and Event Streams Causal Inference from Event Streams Closing the Loop

Learn overview →

Tutorials

Your First Model by HandThis tutorial walks you through writing your first ESDM model from scratch and verifying it with the linter.Your First Model with AIThis tutorial shows how to draft your first ESDM model with the help of an AI coding agent, instead of writing every .esdm.yaml file by hand.First Steps with EventSourcingDBThis tutorial builds a small library step by step.First Steps with ArchitectureKitThis tutorial builds a small library in Go step by step.

With us

Workshops and ConsultingFrom the first model to the running system, we help your team to get event-based systems right – in workshops, in modeling sessions, and at your side.

Products overview →

Modeling

ESDM CLIYour domain model, next to your code.SynthEventsA year of events, ready to explore.

Remembering

EventSourcingDBBecause it's more than just data.EventSourcingDB Auditing ServicesAn independent witness for your history.

Building

ArchitectureKitDDD, CQRS, and Event Sourcing for Go.

Analyzing

EventSourcingDB Analysis ServicesAnalytics straight from your events.

Docs overview →

Modeling

SynthEventsA service that generates realistic, synthetic events of sample domains, to explore event-sourced data and to build on it.

Remembering

EventSourcingDBA purpose-built database for Event Sourcing.

Building

ArchitectureKitBuilding blocks for DDD-based applications with CQRS and Event Sourcing in Go.

Resources overview →

Blog

EventSourcingDB 1.3.0 is Available Java Client SDK 1.0 Now Available ArchitectureKit: DDD, CQRS, and Event Sourcing for Go All posts →

Library

How Event Sourcing Makes AI Actually Understand Your Business ↗DWX hakt nach: Event Sourcing, CQRS & Data Mesh – Golo Roden im Interview ↗Sovereignty Is the Ability to Leave ↗The whole library →

Foundation overview →

MissionEvery system has a story, but most systems keep only its last page.Specifications ↗Open specifications that anyone can use and implement, starting with ESDM, a format for event-sourced domain models.LandscapeThe products around Event Sourcing, CQRS, and Domain-Driven Design, ours included – all in the same form, along the five stages, and described without evaluation.

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Concepts▾

Concepts overview →

Modeling

What is Domain-Driven Design?Event-Storming Modeling Events Designing Aggregates Dynamic Consistency Boundaries (DCBs)

Remembering

Introduction to Event Sourcing What is CQRS?Use Cases Designing Read Models Read-Model Consistency and Lag Eventual Consistency in Practice Snapshots and Performance Optimizing Event Replays Patterns for Temporal Queries Versioning Events GDPR Compliance Common Mistakes

Building

Deciders Hexagonal Architecture Building Event Handlers Building Event-Driven Applications Task-Based UIs Testing Event-Sourced Systems Building with AI

Integrating

What is Event-Driven Architecture?Domain Events and Integration Events Reliable Delivery CloudEvents Data Mesh and Data Products

Analyzing

Event Sourcing and AI Designing Analytical Projections Point-in-Time Correctness Features from Events LLMs and Event Streams Causal Inference from Event Streams Closing the Loop

Learn▾

Learn overview →

Tutorials

Your First Model by Hand Your First Model with AI First Steps with EventSourcingDB First Steps with ArchitectureKit

With us

Workshops and Consulting

Products▾

Products overview →

Modeling

ESDM CLI SynthEvents

Remembering

EventSourcingDB EventSourcingDB Auditing Services

Building

ArchitectureKit

Analyzing

EventSourcingDB Analysis Services

Docs▾

Docs overview →

Modeling

Remembering

EventSourcingDB

Building

ArchitectureKit

Resources▾

Resources overview →

Blog

EventSourcingDB 1.3.0 is Available Java Client SDK 1.0 Now Available ArchitectureKit: DDD, CQRS, and Event Sourcing for Go All posts →

Library

How Event Sourcing Makes AI Actually Understand Your Business ↗DWX hakt nach: Event Sourcing, CQRS & Data Mesh – Golo Roden im Interview ↗Sovereignty Is the Ability to Leave ↗The whole library →

Foundation▾

Foundation overview →Mission Specifications ↗Landscape

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Contact

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