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    • Overview
      Event Store develops the open-source Event Sourcing database, EventStoreDB, and provides a range of commercial products and services that are ideal for businesses looking to build event-sourced systems.
    • EventStoreDB
      EventStoreDB is an industrial-strength database technology that stores your critical data in streams of immutable events. It was built specifically for Event Sourcing - we believe that makes it the best solution in the market for building event-sourced systems.
    • Event Store Cloud
      Event Store Cloud is a multi-cloud software as a service (SaaS) delivery platform allowing customers to subscribe to and manage Event Store service offerings via an API and an easy-to-use web console.
    • Support
      Protect your business-critical systems with technical support from the team behind EventStoreDB. Plans for every stage of project from proof of concept to successful operation in production.
    • Consulting
      Starting out and need some guidance or want a review of your implementation? We can help with the use of EventStoreDB or Event Sourcing as a pattern.
    • Training
      We run regular training courses, both in-person and remotely, on EventStoreDB, Event Sourcing, and related topics. We can also deliver bespoke training, just tell us your requirements.
  • Learning
    • Blog
      Event Store's blog contains news, articles, tutorials, and release notes. You can sign up to our free newsletter to receive regular emails with the latest posts.
    • Webinars
      Upcoming live and on-demand webinars run by the team at Event Store. Covering all subjects related to EventStoreDB, Event Sourcing, and CQRS.
    • Documentation
      Official documentation for EventStoreDB incorporating technical docs for both the server and client SDKs, getting started guides, and configuration parameters.
    • Getting started
      Our getting started guide gives a quick tour into the basic operations of EventStoreDB covering creating a connection, writing an event and reading an event.
    • Beginner's guide to Event Sourcing
      New to Event Sourcing and need an overview of the key concepts? Our Beginner's Guide to Event Sourcing is a great place to start and includes diagrams and code snippets to help explain things.
    • Beginner's guide to CQRS
      This guide is ideal for beginners looking to learn about CQRS (Command Query Responsibility Segregation). The guide covers the benefits of CQRS and its core principles, as well as some misconceptions around the pattern.
    • Community forum
      The official discussion forum for the Event Store community. It's free to sign up and being an active forum it is the best place to ask questions about the open-source database.
    • Training
      We run regular training courses, both in-person and remotely, on EventStoreDB, Event Sourcing, and related topics. We can also deliver bespoke training, just tell us your requirements.
  • Use cases
    • Case studies
      Detailed case studies from Event Store customers across a range of industries bring to life the benefits of Event Sourcing and the business benefits of using EventStoreDB.
    • Use cases
      EventStoreDB has a huge range of use cases and is already being used by organizations across multiple different industries. Take a look at some of the reasons why our customers choose EventStoreDB to build their systems using Event Sourcing.
    • Finance
      Companies in the finance industry are heavily regulated - financial organizations can benefit from event sourcing to build robust solutions that provide immutable audit logs to ensure compliance.
    • Healthcare
      Healthcare organizations who choose to base their systems architecture around Event Sourcing benefit from a great ability to scale and transform allowing them to adapt to changing regulations.
    • Government
      Government organizations have to deal with huge amounts of data and the processes of multiple departments. EventStoreDB supports a single source of truth in their systems' data model with great scalability amongst other benefits.
    • Retail
      EventStoreDB allows our retail customers to store critical data in streams of immutable events, and react in near real-time through projections, allowing them to build ePOS and ecommerce systems with great performance and high availability.
    • Tech
      By using EventStoreDB to build their systems with Event Sourcing, our tech customers have benefited from a high-performance data model that scales and an improved capability to spin up new microservices connected to their central data model.
    • Transport
      Shipping and logistics companies need to track shipments accurately and in near real-time. EventStoreDB stores data in immutable streams and provides a full audit log and an improved capability for real-time processing.
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    • Event Store Cloud
      Event Store Cloud is a multi-cloud software as a service (SaaS) delivery platform allowing customers to subscribe to and manage Event Store service offerings via an API and an easy-to-use web console.
    • Create account
      Want to create an Event Store Cloud account? Sign up here (or login using your Event Store Discuss login). If you would like full access to provision clusters, please contact our team using the form in the console.
    • Login
      Already have an Event Store Cloud account? Login to the console here.
    • Pricing
      You can choose a cluster size and topology on Event Store Cloud that suits your database hosting requirements. Use the calculator to get an indicative price.
    • Support plans
      Want to have direct help on-hand from the team at Event Store? All Cloud customers can choose to add commercial support covering core EventStoreDB usage and version upgrade support. Choose from a range of SLAs to suit your project requirements.
Home/Blog

Event Store blog

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      Follow this blog to stay up to date on what’s happening at Event Store:

    • Release Notes

      21.10.1 Release Notes

      We are pleased to announce the official release of EventStoreDB OSS & Commercial version 21.10.1 long-term support (LTS). This is...
      Oskar Dudycz  |  23 December 2021
      • Event Sourcing
      • EventStoreDB
      • v21
      • 21.10.0
      • 21.10.1
    • Articles

      Keep your streams short! Temporal modeling for fast reads and optimal data retention

      Modeling is hard. We need to take so many things into account. This article will explain the basics of temporal modeling, a...
      Oskar Dudycz  |  09 December 2021
      • Event Sourcing
      • Streams
      • Event Modelling
      • Event log
      • temporal
    • News

      NodeJS gRPC client version 2.0.0 is out!

      Recently, we have been focused on making our NodeJS gRPC client even more robust and stable. To achieve this, we had to introduce...
      Oskar Dudycz  |  04 August 2021
      • Nodes
      • v2
      • NodeJS
      • gRPC
    • Articles

      Snapshotting Strategies

      Looking at resources from the Internet, you may conclude that snapshots are an essential part of the Event Sourcing system. It...
      Oskar Dudycz  |  16 July 2021
      • EventStoreDB
      • snapshot
    • Articles

      How to get the current entity state from events?

        In Event Sourcing, the application state is stored in events. When we add an event, it is placed at the end of a structure...
      Oskar Dudycz  |  15 July 2021
      • Event Sourcing
    • Articles

      Snapshots in Event Sourcing

      One of the great benefits of Event Sourcing is that you don't lose any business data. Each business operation ends with a new...
      Oskar Dudycz  |  20 May 2021
      • Event Sourcing
      • snapshot
    • Articles

      What's the difference between a command and an event?

      What’s the difference between a command and an event? The answer seems apparent, but let’s see if it's straightforward.
      Oskar Dudycz  |  10 May 2021
      • CQRS
      • Event Sourcing
      • Events
    • Articles

      How using events helps with a teams' autonomy

        Autonomy is the Holy Grail for the management of multiple teams. At least that’s how it’s perceived; it’s not easy to get the...
      Oskar Dudycz  |  08 May 2021
      • Events
    • News

      Getting started with v1 Java gRPC client

      The first release of EventStoreDB gRPC happened on 23rd November 2020, one day after my birthday. If you're a JVM developer, I...
      Oskar Dudycz  |  03 March 2021
      • EventStoreDB
      • Code examples
      • v21.2
      • v21
      • Java
    • News

      Getting started with v1 NodeJS gRPC client

      Back in version 20.6 of EventStoreDB, we added support for connecting to the database via gRPC. This widely adopted standard...
      Oskar Dudycz  |  01 March 2021
      • NodeJS
    • News

      EventStoreDB 21.2.0 Released

      We're happy to announce that 21.2 EventStoreDB version has been released. In the last quarter, we focused on delivering stable...
      Oskar Dudycz  |  26 February 2021
      • EventStoreDB
      • v21.2
      • v21
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