[rhencke]

Sure, how about, for example:

Dubbo - 20,634 stars - https://github.com/apache/incubator-dubbo

FastJSON - 14,483 stars - https://github.com/alibaba/fastjson

RocketMQ - 4,962 stars - https://github.com/apache/rocketmq

[Canada]

These are the best answers I've heard so far. What are your favorite projects or products that depend on these? Any more examples you feel worthy of mention?