1. Apache Flink. http://flink.apache.org/. Last access: July (2023)
2. Apache flink statefun documentation. https://nightlies.apache.org/flink/flink-statefun-docs-stable/. Last access: 2023-04-08
3. Apache Storm. http://storm.apache.org/. Last access: July (2023)
4. Arroyo. https://github.com/ArroyoSystems/arroyo. Last access: July (2023)
5. Introduction to Kafka Streams. http://www.confluent.io/blog/introducing-kafka-streams-stream-processing-_made-simple. Last access: July (2023)