Heron is described as 'Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter'. There are four alternatives to Heron for Linux, Mac, Windows and BSD. The best alternative is Apache Flink, which is both free and Open Source. Other great apps like Heron are Apache Spark (Free, Open Source), Apache Storm (Free, Open Source) and Gearpump (Free, Open Source).
- 4 alternatives