[yes_but_no]

I believe NATS Streaming[0] and upcoming Nats Jetstream[1] could be more relevant to those who looking for a Kafka alternative. They offer persistent messages, at-least-once delivery similar to Kafka.

[0] https://docs.nats.io/nats-streaming-concepts/intro [1] https://github.com/nats-io/jetstream

[syscomet]

[nb: I work for the main company behind NATS]

Jetstream is GA with the 2.2.0 release. Folks who believe in waiting for "not .0" won't have to wait too much longer.