Apache Flink vs Apache Heron

Apache Flink

7.3 #3 in Streaming Analytics Software

About Apache Flink

Apache Heron

4.8 #23 in Streaming Analytics Software

About Apache Heron
Apache FlinkApache Heron
Free planYesNo
Free trialNoNo
Paid fromFree—
Open sourceNoNo
Platformsapi, Linux, self-hosted—
Free planYes—
Stateful processingYes—
Supported languagesJava, Python, Scala—
Deployment—self_hosted

Both are listed in Best Streaming Analytics Software, Best Stream Processing Software. On Inferse, Apache Flink scores higher on our published basis.