Temporal is related, but I would say it is a subset of this. If you only consider appending results of steps of a handler, then you have something like Tempora

Temporal is related, but I would say it is a subset of this. If you only consider appending results of steps of a handler, then you have something like Temporal. This here uses the log also for RPC between services, for state that outlives an individual handler execution (state that outlives a workflow, in Temporal's terms).