Apache NiFi vs Kafka Streams

Apache NiFi

7.2 #25 in Integration Platform as a Service Software

About Apache NiFi

Kafka Streams

5.9 #19 in Stream Processing Software

About Kafka Streams
Apache NiFiKafka Streams
Free planYesYes
Free trialNoNo
Paid fromFreeFree
Open sourceNoNo
Platformsapi, Linux, macOS, self-hosted, Web, WindowsLinux, macOS, self-hosted, Windows
Free plan—Yes
Deployment model—self-hosted
SQL processing—No
Stateful processing—Yes
Event-time windows—Yes
Supported languages—Java, Scala

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