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KurrentDB is a database that's engineered for modern software applications and event-driven architectures. Its event-native design simplifies data modeling and preserves data integrity while the integrated streaming engine solves distributed messaging challenges and ensures data consistency.
Event Store – the company and the product – are rebranding as Kurrent.
Read more about the rebrand in the rebrand FAQ.
KurrentDB is a database that's engineered for modern software applications and event-driven architectures. Its event-native design simplifies data modeling and preserves data integrity while the integrated streaming engine solves distributed messaging challenges and ensures data consistency.
Download the latest version. For more product information visit the website.
Kurrent Cloud is a fully managed cloud offering that's designed to make it easy for developers to build and run highly available and secure applications that incorporate KurrentDB without having to worry about managing the underlying infrastructure. You can provision KurrentDB clusters in AWS, Azure, and GCP, and connect these services securely to your own cloud resources.
For more details visit the website.
View KurrentDB's licensing information.
For guidance on installation, development, deployment, and administration, see the User Documentation.
Follow the getting started guide.
Kurrent can manage KurrentDB for you, so you don't have to run your own clusters. See the online documentation: Getting started with Kurrent Cloud.
This guide shows you how to get started with KurrentDB by setting up an instance or cluster and configuring it. KurrentDB supports the gRPC protocol.
Read more in the documentation.
Join our global community of developers.
Development is done on the master branch.
We attempt to do our best to ensure that the history remains clean and to do so, commits are automatically squashed into a single logical commit when pull requests are merged.
If you want to switch to a particular release, you can check out the release branch for that particular release. For example:
git checkout release/v25.0
KurrentDB is written in a mixture of C# and JavaScript. It can run on Windows, Linux and macOS (using Docker) using the .NET Core runtime.
Prerequisites
Once you've installed the prerequisites for your system, you can launch a Release build of KurrentDB as follows:
dotnet build -c Release src
To start a single node, you can then run:
dotnet ./src/KurrentDB/bin/Release/net10.0/KurrentDB.dll --dev --db ./tmp/data --index ./tmp/index --log ./tmp/log
You can launch the tests as follows:
dotnet test --solution src/KurrentDB.sln
You can also build a Docker image by running the command:
docker build --tag mykurrentdb . \
--build-arg CONTAINER_RUNTIME={container-runtime}
--build-arg RUNTIME={runtime}
For instance:
docker build --tag mykurrentdb . \
--build-arg CONTAINER_RUNTIME=noble \
--build-arg RUNTIME=linux-x64
Note: Because of the Docker issue, if you're building a Docker image on Windows, you may need to set the DOCKER_BUILDKIT=0 environment variable. For instance, running in PowerShell:
$env:DOCKER_BUILDKIT=0; docker build --tag mykurrentdb . `
--build-arg CONTAINER_RUNTIME=noble `
--build-arg RUNTIME=linux-x64
Currently, we support the following configurations:
CONTAINER_RUNTIME=nobleRUNTIME=linux-x64You can verify the built image by running:
docker run --rm mykurrentdb --insecure --what-if