SystemDeveloper 

CLI tool for managing Excalibur event sourcing database migrations. Supports SQL Server and Postgres.

PostgreSQL implementation of saga state persistence for the Excalibur framework. Uses JSONB storage with atomic upserts for reliable saga coordination.

Conformance test kits for Excalibur infrastructure implementations. Provides reusable abstract test suites for IEventStore, IOutboxStore, ISagaStore, ISnapshotStore, and other provider contracts.

Azure Functions hosting integration for the Excalibur framework.

AWS DynamoDB event store implementation for Excalibur event sourcing.

Redis implementations for Excalibur event sourcing using Redis Streams for event storage and Redis Hash for snapshots.

Google Cloud Functions hosting integration for the Excalibur framework.

SQL Server implementation of distributed job coordination for the Excalibur framework. Uses Dapper for data access with distributed locking, instance registry, and job distribution.

Postgres implementation of the inbox pattern for Excalibur, providing idempotent message processing using Postgres as the backing store.

Google Cloud Firestore event store implementation for Excalibur event sourcing.

Kubernetes-based leader election implementation for the Excalibur framework. Provides distributed coordination using Kubernetes Lease resources for cloud-native applications.

In-memory leader election implementation for the Excalibur framework. Suitable for single-process scenarios, testing, and development.

Azure Cosmos DB event store implementation for Excalibur event sourcing.

AWS S3 Claim Check provider for large-message handling in the Excalibur framework.

Azure provider implementations for Excalibur.Dispatch.Patterns including Azure Blob Storage Claim Check pattern.

Testing utilities for the Excalibur framework. Provides DispatchTestHarness, message tracking, and test doubles for pipeline and handler testing. Framework-agnostic — works with xUnit, NUnit, MSTest, or any... More information

Google Cloud Storage Claim Check provider for large-message handling in the Excalibur framework.

Google Cloud Firestore implementation of the cloud-native outbox pattern for Excalibur event sourcing.

AWS X-Ray and CloudWatch observability integration for Excalibur. Bridges Dispatch telemetry to AWS native observability services.

Advanced caching patterns and adaptive TTL strategies for the Excalibur framework.