Apache Flink vs Timely Dataflow

Apache Flink

6.7 #15 in Streaming Analytics Software

About Apache Flink

Timely Dataflow

6.1 #21 in Stream Processing Software

About Timely Dataflow
Apache FlinkTimely Dataflow
Free planYesNo
Free trialNoNo
Paid fromFree—
Open sourceNoNo
Platformsapi, Linux, self-hostedself-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 Specifiction, Apache Flink scores higher on our published basis.