CloudAMQP vs Apache RocketMQ: What are the differences?
CloudAMQP: RabbitMQ as a Service. Fully managed, highly available RabbitMQ servers and clusters, on all major compute platforms; Apache RocketMQ: Open source distributed messaging and streaming data platform. Apache RocketMQ is a distributed messaging and streaming platform with low latency, high performance and reliability, trillion-level capacity and flexible scalability.
CloudAMQP and Apache RocketMQ can be primarily classified as "Message Queue" tools.
Apache RocketMQ is an open source tool with 8.25K GitHub stars and 4.23K GitHub forks. Here's a link to Apache RocketMQ's open source repository on GitHub.