This is an open-source platform that can be used free of charge.
The solution is open-source, which is free.
This is an open-source platform that can be used free of charge.
The solution is open-source, which is free.
People pay for Apache Spark Streaming as a service.
I was using the open-source community version, which was self-hosted.
People pay for Apache Spark Streaming as a service.
I was using the open-source community version, which was self-hosted.