Sugumar, The short answer is yes to both your questions, but if you have any specific concern, I suggest you have a look at the Apache License under which Kafka is distributed:
http://www.apache.org/licenses/LICENSE-2.0 <http://www.apache.org/licenses/LICENSE-2.0> -Flavio > On 07 Oct 2015, at 10:51, sugumar analysis <sugumar.analy...@gmail.com> wrote: > > Hi All, > > We are using Apache Kafka for our messaging functionalities. We have > developed the messaging system using Kafka. Now we are planning to setup in > production environment. > > *Please any one confirm me the Apache Kafka is free of cost?* > > *Can we use it in Production environment?* > > > > Thanks, > Sugumar J