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open-cqrs/opencqrs

This system is an open-source CQRS and Event Sourcing framework built on Spring Boot, designed to simplify the development of event-driven applications. It provides a robust client for EventStoreDB, featuring advanced query capabilities via EventQL and enhanced null-safety. The framework includes a fluent test API for verifying command handling and state changes, alongside auto-configuration for reliable event processing and locking mechanisms.

52.5

Adequate · 29 July 2026

9.1k

lines of production code

Java

primary language

2

bus factor · 11 authors in all

3

measurements over time

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 29 July 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit 21d4e47d40 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.
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