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THE Next Generation OLTP

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Now Generally Available

The event store built for modern teams

KurrentDB gives you durable, ordered event streams — the foundation for event sourcing, CQRS, and real-time projections at any scale.

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KurrentDB

Event sourcing, done right

A purpose-built event store that makes append-only streams, durable subscriptions, and live projections first-class citizens — not afterthoughts.

No credit card required. Free tier available.

Kurrent Cloud

Trusted by engineering teams at

MotionSilver FernStoriedBold PenguinHolcimMotion

Hero (Centered) — About Us

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About us

About Kurrent

Kurrent provides an event-native data platform that feeds real-time, business-critical data with historical context — in fine-grained streams from origination to destination — to power analytics and AI. Available on AWS, Microsoft Azure, and Google Cloud, and as an on-premises solution.

Hero (Text)

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Open Source

Built on open standards, owned by your team

KurrentDB is Apache-licensed and self-hostable. Run it on-prem, in your own cloud account, or let us manage it — you keep full control of your data and your roadmap.

Social proof

Testimonials — Dark

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Trusted by teams building the future of data

Engineering teams at high-growth companies rely on Kurrent to power their event-driven systems.

“Kurrent replaced a fragile Kafka + Postgres setup we had been patching for two years. Event replay alone saved us three weeks of incident recovery.”

Sarah Chen, Principal Engineer, Finovate

“We evaluated every event store on the market. Kurrent is the only one that felt production-ready from day one — native projections, strong consistency guarantees, and a client SDK that actually makes sense.”

Marcus Hoffmann, CTO, Legalytics

“HIPAA compliance used to be an audit nightmare with our old messaging system. Kurrent gives us an immutable, append-only audit trail out of the box.”

Priya Nair, Head of Platform Engineering, Aether Health

“The catch-up subscription model is exactly how you want to onboard new microservices. Zero downtime migrations, and we can replay any stream from the beginning.”

Tomás Rivera, Staff Software Engineer, Cartago

Testimonials — Light

A marquee of customer quotes, in a light or dark treatment. Use it on landing and pricing pages to build confidence before a call to action.

Trusted by teams building the future of data

Engineering teams at high-growth companies rely on Kurrent to power their event-driven systems.

“Kurrent replaced a fragile Kafka + Postgres setup we had been patching for two years. Event replay alone saved us three weeks of incident recovery.”

Sarah Chen, Principal Engineer, Finovate

“We evaluated every event store on the market. Kurrent is the only one that felt production-ready from day one — native projections, strong consistency guarantees, and a client SDK that actually makes sense.”

Marcus Hoffmann, CTO, Legalytics

“HIPAA compliance used to be an audit nightmare with our old messaging system. Kurrent gives us an immutable, append-only audit trail out of the box.”

Priya Nair, Head of Platform Engineering, Aether Health

“The catch-up subscription model is exactly how you want to onboard new microservices. Zero downtime migrations, and we can replay any stream from the beginning.”

Tomás Rivera, Staff Software Engineer, Cartago

Logo Marquee

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Powering event-driven systems at scale

From Series A start-ups to global enterprises.

10B+

Events processed daily

<2ms

Median append latency

99.99%

Uptime SLA

500+

Companies in production

Trusted by engineering teams at

MotionSilver FernStoriedBold PenguinHolcimWiserApplied SystemsAquanowLa FrançaiseNHS Wales AppVisperaFenergoAbaxDojo

Integrations Grid

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Connects with your existing stack

Kurrent speaks the protocols your services already use — no adapters, no vendor lock-in.

Team Members

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Meet the team

Kirk Dunn

CEO

USA

Rick Gustafson

Chief Financial Officer

USA

Alexey Zimarev

Head of Product and Engineering

Norway

Patrick Ball

Chief Revenue Officer

USA

Conversion

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Built for reliability, compliance, and scale

Every KurrentDB cluster ships with the operational guarantees modern platforms require.

ACID-safe event appends

At-least-once delivery guarantees

Persistent subscriptions with catch-up

SOC 2 Type II certified

GDPR-ready stream redaction

Multi-region active-active replication

Callout

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Start building on Kurrent today

Persistent, ordered event streams — ready for production in minutes.

Section CTAs

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Self-serve — free tier

Spin up a KurrentDB cluster in seconds. No credit card required. Full access to the developer edition with up to 10 GB of event storage.

Create a free account

Enterprise — custom scale

Need air-gapped deployment, SLAs, or dedicated infrastructure? Our team will scope a plan around your event volume and compliance requirements.

Talk to sales

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The definitive guide to event-native architecture

This 48-page guide walks engineering teams through the principles behind event sourcing, CQRS, and event-driven microservices — from first principles to production-ready patterns.

Learn how leading teams have reduced query latency by an order of magnitude, rebuilt audit trails without schema migrations, and unlocked real-time projections that were previously impossible with row-oriented databases.

Download the free guide

Form Block

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Contact our team

Tell us about your event-volume requirements and a solutions engineer will be in touch within one business day.

Announcement Banner — Single announcement

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New ProductMeet Capacitor

Shared memory for agentic coding. Easy collaboration. Smarter Sessions. Works with Claude Code, Codex and Cursor.

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New ProductMeet Capacitor

Purpose built event data storage for AI and analytics.

Content

Capability Cards

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The foundation your platform deserves

KurrentDB gives engineering teams primitives that scale from prototype to production without rewrites.

Event sourcing at scale

Store every state transition as an immutable event. Replay streams to reconstruct state at any point in time, enabling powerful debugging, auditing, and temporal queries.

Impact

Teams using KurrentDB as their event store reduce time spent on audit-log compliance by up to 70% — the log is the source of truth.

CQRS-ready read models

Server-side projections continuously transform event streams into materialised views. Rebuild any read model from scratch without modifying the write side or replaying events from the application layer.

Impact

Projections eliminate the dual-write problem entirely — no synchronisation logic, no risk of read model drift.

Reliable event messaging

Persistent subscriptions with consumer groups distribute events across multiple service instances. Automatic checkpointing and retry semantics ensure at-least-once delivery without a separate message broker.

Impact

Remove Kafka or RabbitMQ from your event-sourcing stack — KurrentDB handles ordering, delivery, and consumer group coordination natively.

Feature Cards — 3-up · light cards

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Built for event-native architectures

KurrentDB delivers the primitives modern distributed systems need — without the operational overhead.

Streams

Durable, ordered streams

Every event is appended and stored in strict write order, giving you a tamper-evident audit log by default.

RabbitMQ

Live subscriptions

Persistent and catch-up subscriptions deliver events to consumers in real time or from any historical position.

Webhooks

Server-side projections

Transform and partition event streams on the server — build read models without touching application code.

Google Cloud

Multi-node clustering

Active-active replication across nodes ensures high availability and zero-downtime failover.

Settings

Optimistic concurrency

Expected-version checks prevent conflicting writes at the stream level, eliminating the need for external locking.

Performance

gRPC & HTTP APIs

Native client libraries for .NET, Java, Go, Python, Node.js, and Rust built on open, well-documented protocols.

Feature Cards — 4-up · dark cards

A grid of icon + title + subtitle cards highlighting product features. Supports a 2/3/4-column layout and light or dark cards.

Built for event-native architectures

KurrentDB delivers the primitives modern distributed systems need — without the operational overhead.

Streams

Durable, ordered streams

Every event is appended and stored in strict write order, giving you a tamper-evident audit log by default.

RabbitMQ

Live subscriptions

Persistent and catch-up subscriptions deliver events to consumers in real time or from any historical position.

Webhooks

Server-side projections

Transform and partition event streams on the server — build read models without touching application code.

Google Cloud

Multi-node clustering

Active-active replication across nodes ensures high availability and zero-downtime failover.

Use Cases

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Use cases

One event store. Countless applications.

From financial systems to IoT pipelines, KurrentDB is the backbone of event-driven architectures across every industry.

Streams

Financial audit trails

Capture every ledger mutation as an immutable event. Satisfy regulatory requirements with a built-in, tamper-evident history.

RabbitMQ

Order & inventory management

Model complex order lifecycles as event streams. Reconstruct state at any past moment for dispute resolution or analytics.

Webhooks

IoT telemetry pipelines

Ingest millions of device readings per second into ordered streams and fan out to multiple consumer services simultaneously.

Google Cloud

Microservice choreography

Replace brittle point-to-point calls with durable event streams. Services subscribe to what they need and process at their own pace.

Settings

ML feature stores

Feed model training pipelines directly from event streams. Replay historical data to retrain without expensive ETL jobs.

Code Block

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