Free Apache Kafka as a Service with Confluent Cloud
confluent.io
confluent.io
"*With try free promotion for Confluent Cloud, receive up to $50 USD off your bill each calendar month for the first three months. New signups only. Offer ends December 31, 2019."
Free trial for a managed Kafka service in the cloud has been available from various other vendors including us (https://aiven.io) for a while.