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If you are aware of other clients not listed here (or are the author of such a client), please add it here. Please also feel free to help fill out information on the features the client supports, level of activity of the project, level of documentation, etc.
C/C++
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Robust high performance C/C++ library with full protocol support
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Native C++ library with protocol support for Metadata, Produce, Fetch, and Offset.
Maintainer: David Tompkins
License: Apache 2.0
https://github.com/adobe-research/libkafka
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C++ Header-only Kafka Client Library using Boost Asio
Maintainer: Daniel Joos
License: MIT
https://github.com/danieljoos/libkafka-asio
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A C++11 asyncronous producer/consumer library for Apache Kafka based on boost asio
Maintainer:
License: Boost Software License - Version 1.0
https://github.com/bitbouncer/csi-kafka
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libasynckafkaclient - C++ based single threaded asynchronous library
Maintainer: Vijay Jadhav
License: 2-clause BSD
https://github.com/GSLabDev/libasynckafkaclient
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https://github.com/quipo/kafka-cpp
Kafka Version: 0.7.x
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