Gearman vs Apache RocketMQ: What are the differences?
Gearman: A generic application framework to farm out work to other machines or processes. Gearman allows you to do work in parallel, to load balance processing, and to call functions between languages. It can be used in a variety of applications, from high-availability web sites to the transport of database replication events; 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.
Gearman and Apache RocketMQ can be categorized 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.