CloudAMQP automates every part of setup, running and scaling of RabbitMQ clusters. Available on all major cloud and application platforms.
CloudKarafka is a hosted message streaming service.
PostgreSQL open-source database, hosted in the cloud.
LavinMQ is an extremely fast Message Broker that handles a large amounts of messages and connections. It implements the AMQP 0-9-1 protocol and runs on a single node in order to maximize performance, yet without compromising availability.