Ecotone comes with in-built integration for Event Sourcing which works with databases like Postgres, MySQL or MariaDB for storing Events and allows for building and storing Projected Views in any storage we decide.
Read more in following chapters.

• Implementing Event Sourcing Aggregates
• Emitting Events from Projections
• Working directly with Event Sourcing Aggregates

• Starting with Event Sourcing in PHP [Article]
• Implementing Event Sourcing Application in 15 minutes [Article]