Arroyo vs Timely Dataflow

Arroyo

7.3 #10 in Stream Processing Software

About Arroyo

Timely Dataflow

5.4 #23 in Stream Processing Software

About Timely Dataflow
ArroyoTimely Dataflow
Free planYesNo
Free trialNoNo
Paid fromFree—
Open sourceNoNo
Platformsapi, Linux, macOS, self-hosted, Webself-hosted
Deployment modelhybridself-hosted
SQL processingYes—
Stateful processingYesYes
Event-time windowsYes—
Supported languagesSQL, RustRust
Source connectors16—

Both are listed in Best Stream Processing Software. On Specifiction, Arroyo scores higher on our published basis.