1. Apache flink: Scalable batch and stream data processing. https://flink.apache.org/ 2016. Apache flink: Scalable batch and stream data processing. https://flink.apache.org/ 2016.
2. Apache s4 - distributed stream computing platform. https://incubator.apache.org/s4/ 2016. Apache s4 - distributed stream computing platform. https://incubator.apache.org/s4/ 2016.
3. Apache samza - a distributed stream processing framework. http://samza.incubator.apache.org/ 2016. Apache samza - a distributed stream processing framework. http://samza.incubator.apache.org/ 2016.
4. Apache storm - distributed and fault-tolerant realtime computation. https://storm.incubator.apache.org/ 2016. Apache storm - distributed and fault-tolerant realtime computation. https://storm.incubator.apache.org/ 2016.
5. Redis. http://redis.io/ 2016. Redis. http://redis.io/ 2016.