Apache Flink vs Timely Dataflow

Apache Flink

6.3 #6 in Streaming Analytics Software

About Apache Flink

Timely Dataflow

5.2 #22 in Stream Processing Software

About Timely Dataflow
Apache FlinkTimely Dataflow
Free planYesNo
Free trialNoNo
Paid fromFree—
Open sourceNoNo
Platformsapi, Linux, self-hosted—
Free planYes—
Deployment modelself-hostedself-hosted
SQL processingYes—
Stateful processingYesYes
Event-time windowsYes—
Supported languagesJava, Python, ScalaRust
Source connectors7—

Both are listed in Best Stream Processing Software. On Samsung Mobile US Press, Apache Flink scores higher on our published basis.