EventStoreDB is a state transition database capturing and retaining data in sequence, seamlessly integrating with downstream systems. Offers free download or managed service, along with support and training for event sourced systems.

Entry-level self-managed enterprise tier of KurrentDB (formerly EventStoreDB). Successor to the Community/OSS and lower-tier Enterprise offerings under the Kurrent rebrand. Self-managed deployment on-premises or on customer's own cloud infrastructure. Includes Standard Support. Pricing model: annual subscription. No public pricing available as of 2026-05-19 (kurrent.io/pricing shows 'Coming Soon!').

Fully managed cloud service (formerly Event Store Cloud). Available on AWS, Azure, and GCP. Single-tenant deployment with dedicated compute. Instance sizes: F1 (dev/free), C4, M8, M16, M32, M64, M128. Includes automated backups, VPC/VNet peering, TLS encryption, and policy-based access control. A free trial is available (no credit card required). No public pricing available.

Higher-tier self-managed enterprise edition of KurrentDB (formerly EventStoreDB). Includes advanced enterprise features targeting larger enterprises needing higher scale, advanced clustering, or premium features. Legacy SKUs ESSENT12MSP (base subscription, 1 cluster, $60,000/yr) and ESSENTADDCL (additional cluster, $15,000/yr) map to this product. Self-managed deployment on-premises or on customer's own cloud infrastructure.