Apache RocketMQ vs Sparrow: What are the differences?
Developers describe Apache RocketMQ as "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. On the other hand, Sparrow is detailed as "A really fast lightweight queue written in Ruby that speaks memcache". Sparrow keeps messages in memory, but persists them to disk, using Sqlite, when the queue is shutdown.
Apache RocketMQ and Sparrow 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.