> but the licensing does not make this feasible

Yes. Event Sourcing is a fantastic, natural fit for agentic workflows but because most current Event Sourcing DBs are deep into the enterprise, they are unwilling to OSS in fears of killing the cash cow.

As a result, there will be a lot of churn in the agentic workflows DB space, a few will gain traction using Event Sourcing and those will then generalize and become the OSS Event Sourcing offerings.