IBM BlueMix offers Apache Kafka as part of the IBM Message Hub Service.

What is BlueMix?
Bluemix is an open-standards, cloud-based platform for building, running, and managing applications Build your apps, your way Use the most prominent compute technologies to power your app: Cloud Foundry, Docker, OpenStack. Extend apps with services A catalog of IBM, third party, and open source services allow the developer to stitch an application together quickly. Scale more than just instances Development, monitoring, deployment, and logging tools allow the developer to run and manage the entire application. Layered security IBM secures the platform and infrastructure and provides you with the tools to secure your apps. Deploy and manage hybrid apps seamlessly Get a seamless dev and management experience across a number of hybrid implementations options. Flexible pricing Try compute options and services for free and, when you’re ready, pay only for what you use.