I had a need for a C++ client API for Apache Kafka with support for the new v0.8 wire protocol, and I didn’t see one out in the wild yet. So I found some time and wrote one. You can find it here on github:
https://github.com/adobe-research/libkafka Released under an Apache 2.0 license as open source from my current employer (Adobe Research). I plan to provide ongoing support for this library., -DT