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How The Kafka Project Handles Clients

Starting with the 0.8 release we are maintaining all but the jvm client external to the main code base. The reason for this is that it allows a small group of implementers who know the language of that client to quickly iterate on their code base on their own release cycle. Having these maintained centrally was becoming a bottleneck as the main committers can't hope to know every possible programming language to be able to perform meaningful code review and testing. This lead to a scenario where the committers were attempting to review and test code they didn't understand.

We are instead moving to the redis/memcached model which seems to work better at supporting a rich ecosystem of high quality clients.

We haven't tried all these clients and can't vouch for them. The normal rules of open source apply.

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

A bunch of other language bindings has been built on top of it, including Haskell, Node.js, OCaml, PHP, Python, Ruby, C# / .NET.

https://github.com/edenhill/librdkafka

 

Kafka Version: 0.7.x, 0.8.x, 0.9.x, 0.10.x
Maintainers: Magnus Edenhill

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Native C++ library with protocol support for Metadata, Produce, Fetch, and Offset.


Kafka Version: 0.8.x

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

 

Kafka Version: 0.8.x

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


Kafka Version: 0.8.x

Maintainer: Svante Karlsson
License: Boost Software License - Version 1.0

https://github.com/bitbouncer/csi-kafka

 

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libasynckafkaclient - C++ based single threaded asynchronous library


Kafka Version: 0.8.x

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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Python

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High performance Python client based on Librdkafka with full protocol support.

https://github.com/confluentinc/confluent-kafka-python


Kafka Version: 0.8.x, 0.9.x, 0.10.x

Maintainers: Confluent.io

License: Apache 2.0

 

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Pure Python implementation with full protocol support. Consumer and Producer implementations included, GZIP and Snappy compression supported.

http://github.com/dpkp/kafka-python


Kafka Version: 0.8.x

Maintainer: Dana Powers
License: Apache v.2.0

 

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Python driver with full protocol support and balanced consumer implementation. GZIP and Snappy compression supported.

https://github.com/Parsely/pykafka


Kafka Version: 0.8.x

Maintainer: Parse.ly
License: Apache v2.0

 

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Protocol support for Kafka 0.7 in Python. GZip and Snappy compression supported

Kafka Version: 0.7.x

Maintainer: David Arthur
License: Apache v.2.0

https://github.com/mumrah/kafka-python/tree/0.7

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Also:
https://github.com/dsully/pykafka

 

Kafka Version: 0.7.x

Maintainer:: Dan Sulley, LinkedIn
License: Apache 2.0

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Python client from Disqus:
https://github.com/getsamsa/samsa

 

Kafka Version: 0.7.x

Maintainer:: Keith Bourgoin, Parse.ly
License: Apache 2.0

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Python client from Urban Airship: https://github.com/urbanairship/pykafkap

 

Kafka Version: 0.7.x

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Python client from Datadog: https://github.com/datadog/brod
(Producer, Simple Consumer, ZK-Consumer)

 

Kafka Version: 0.7.x

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Go (AKA golang)

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Pure Go implementation with full protocol support. Consumer and Producer implementations included, GZIP and Snappy compression supported.


Kafka Version: 0.8.x

Maintainer: Shopify
License:
 MIT

https://github.com/Shopify/sarama

 

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Enhanced Go Kafka consumer and producer implementations.


Kafka Version: 0.8.x

Maintainer: Big Data Open Source Security
License:
 Apache v2.0
https://github.com/stealthly/go_kafka_client

 

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A pure Go implementation of the low level Kafka API.


Kafka Version: 0.8.x

Maintainer: Big Data Open Source Security
License:
 Apache v2.0

https://github.com/stealthly/siesta

 

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A fast pure Go Kafka implementation with a clean API.

 

Kafka Version: 0.8.x

Maintainer: OptioPay
License:
 MIT

https://github.com/optiopay/kafka

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https://github.com/nuance/kafka

https://github.com/jdamick/kafka.go

Kafka Version: 0.7.x

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Erlang

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Kafka client library in Erlang. Full support for 0.9+ consumer protocol, very efficient producer implementation.

https://github.com/klarna/brod

 

Kafka Version: 0.9.x, 0.10.x

Maintainers: Ivan Dyachkov (Klarna AB)Shi Zaiming (Klarna AB)

License: Apache 2.0

 

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A minimal, high-performance Kafka client in Erlang

https://github.com/helpshift/ekaf


Kafka Version0.8.x

Maintainer: Helpshift
License: Apache v2

 

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erlkafka is a kafka client written in erlang

https://github.com/milindparikh/erlkafka.git


Kafka Version0.7.x

Maintainer: Milind Parikh
*License: BSD, LGPL

Also:
https://github.com/wooga/kafka-erlang

 

.NET

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Pure C# client with full protocol support.  Includes consumer, producer,

lower level components and gzip support (no snappy)


Kafka Version: 0.8.x

Maintainer: James Roland 

License: Apache 2.0

https://github.com/Jroland/kafka-net

 

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This is a .NET implementation of a client for Kafka using C# for Kafka 0.8. It provides for an implementation that covers most basic functionalities to include a simple Producer and Consumer.

Kafka Version: 0.8.x

Maintainer: ExactTarget

License: Apache 2.0

https://github.com/ExactTargetDev/kafka-net

 

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rdkafka-dotnet is a C# client for Apache Kafka based on librdkafka.

Kafka Version: 0.8.x

MaintainerAndreas Heider

License: BSD (2 clause)

https://github.com/ah-/rdkafka-dotnet

 

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.Net implementation of the Apache Kafka Protocol that provides basic functionality through Producer/Consumer classes. The project also offers balanced consumer implementation. The project is a fork from ExactTarget's Kafka-net Client.

 

Kafka Version: 0.8.x, 0.9.x

MaintainerMicrosoft

License: Apache 2.0

https://github.com/Microsoft/Kafkanet

 

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C# client, asynchronous, all 3 compressions supported (read and write), tracks leader partition changes transparently, long time in production.

 

Kafka Version: 0.8.x

MaintainerVadim Chekan
License: Apache-2.0
https://github.com/ntent-ad/kafka4net

 

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kafka-sharp - "High Performance" .NET Kafka Driver

 

Kafka Version: 0.8.x

MaintainerCriteo

License: Apache 2.0

https://github.com/criteo/kafka-sharp

 

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Clojure

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Fast kafka api for JVM languages implemented in clojure.


 

Kafka Version: 0.8.x

Maintainerhttps://github.com/gerritjvv

License: Apache 2.0

https://github.com/gerritjvv/kafka-fast


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Wrapper to the Java API for interacting with Kafka


 

Kafka Version: 0.8.x

Maintainerhttps://github.com/pingles

License: Apache 2.0

https://github.com/pingles/clj-kafka/ 

 

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Kafka clojure client library


 

Kafka Version: 0.8.x

MaintainerPierre-Yves Ritschard

License: MIT

CodeDocumentation

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Ruby

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Pure Ruby, Consumer and Producer implementations included, GZIP and Snappy compression supported. Ruby 1.9.3 and up (CI runs MRI 2.0, JRuby and Rubinius).


Kafka Version: 0.8.x

Maintainer: Bob Potter
License: MIT

https://github.com/bpot/poseidon

 

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Karafka - Microframework used to simplify Apache Kafka-based Ruby applications development.

 

Kafka Version: 0.8.x

MaintainerMaciej Mensfeld
Licence
: MIT

https://github.com/karafka/karafka

 

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ruby-kaka - A Ruby client library for the Kafka distributed log system


Kafka Version: 0.8.x

MaintainerZendeskDaniel Schierbeck

Licence: Apache 2.0

https://github.com/zendesk/ruby-kafka

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JRuby wrapper for producers and consumers of the existing API

 

Kafka Version: 0.8.x

Maintainer: Joseph Lawson
License: Apache 2.0

https://github.com/joekiller/jruby-kafka

 

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https://github.com/acrosa/kafka-rb

 

Kafka Version: 0.7.x

Maintainer: Alejandro Crosa
License:: Apache 2.0

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Event machine client:
https://github.com/groupme/em-kafka

 

Kafka Version: 0.7.x

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JRuby Event stream processor
https://github.com/wooga/kafkaesque

 

Kafka Version: 0.7.x

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Node.js

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Kafka-Node is a NodeJS client with Zookeeper integration

 

Kafka Version: 0.8.x

Maintainersohu.com

License: MIT

https://github.com/SOHU-Co/kafka-node/

 

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Kafka-node is a pure JavaScript implementation for NodeJS Server with Vagrant and Docker support.


Kafka Version: 0.8.x

Maintainerwurstmeister
License: Apache 2.0

https://github.com/wurstmeister/node-kafka-0.8-plus

 

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Node-kafka is a node.js wrapper for the C library librdkafka

 

Kafka Version: 0.8.x

Maintainer: Sutoiku

License: MIT

https://github.com/sutoiku/node-kafka

 

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kafka-java-bridge is a Nodejs wrapper for the JAVA high level kafka 0.8. consumer API

 

Kafka Version: 0.8.x

Maintainer: LivePersonInc

License: MIT

https://www.npmjs.com/package/kafka-java-bridge

https://github.com/LivePersonInc/kafka-java-bridge

 

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Low-level protocol support in node.js.

https://github.com/cainus/Prozess
https://npmjs.org/package/prozess

 

Kafka Version: 0.7.x

Maintainers: 
Gregg Caines
Eric lee
License: MIT

 

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Alternate node client from Tagged
https://github.com/marcuswestin/node-kafka

Also:
https://github.com/dannycoates/franz-kafka

 

Kafka Version: 0.7.x

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Proxy (HTTP REST, etc)

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Dory is a producer daemon that supports clients in various programming languages.  Clients send messages to Dory using local interprocess communication.  Dory then takes full responsibility for reliable message delivery.  Monitoring infrastructure can query Dory's web interface for JSON-based status and data quality reports.

 

https://github.com/dspeterson/dory


Kafka Version: 0.8.x

Maintainer: Dave Peterson
License: Apache v.2.0

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Apache Kafka HTTP Endpoint for producing and consuming messages from topics


Kafka Version: 0.8.x

MaintainerBig Data Open Source Security LLC
License: Apache 2.0

https://github.com/stealthly/dropwizard-kafka-http

 

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(Deprecated) Kafka high level Producer and Consumer APIs are very hard to implement right. Rest endpoint gives access to native Scala high level consumer and producer APIs.

 

Maintainer: Sasha Klizhentas
License: Apache 2.0

https://github.com/mailgun/kafka-http

 

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The Kafka REST Proxy provides a RESTful interface to a Kafka cluster.

 

Kafka Version: 0.8.x, 0.9.x, 0.10.x

MaintainerConfluent 
License: Apache 2.0

 

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Kafka-Pixy is a local aggregating HTTP proxy to Kafka messaging cluster.


Kafka Version: 0.8.x

Maintainer: Mailgun
License: Apache 2.0

https://github.com/mailgun/kafka-pixy

 

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Efficient Kafka REST Proxy for producers

https://github.com/klarna/kastle

 

Kafka Version: 0.8.x

Maintainers: Ivan Dyachkov (Klarna AB)Shi Zaiming (Klarna AB)
License: Apache 2.0

 

 

Perl

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Pure Perl, Consumer and Producer implementations included. Zookeeper
integration. GZIP and Snappy compression supported.

 

Kafka Version: 0.8.x
MaintainerSergey Gladkov
License: Artistic License

https://github.com/TrackingSoft/Kafka
http://search.cpan.org/~sgladkov/Kafka/lib/Kafka.pm

 

 

 

stdin/stdout

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Generic producer and consumer for stdin and stdout.

 

https://github.com/edenhill/kafkacat


Kafka Version: 0.8.x

 

Maintainer: Magnus Edenhill
License: 2-clause BSD

 

 

 

PHP

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PHP extension built on librdkafka

 

Kafka Version: 0.8.x

Maintainer:  Elias Van Ootegem
License: MIT

 

https://github.com/EVODelavega/phpkafka

 

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PHP client based on librdkafka

Kafka Version: 0.8.x

Maintainer: Arnaud Le Blanc, for Mention.com
License: MIT

 

https://github.com/arnaud-lb/php-rdkafka

 

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PHP library with Consumer (simple and Zookeeper-based), Producer and compression support (release notes).

https://github.com/quipo/kafka-php

 

Kafka Version: 0.7.x

Maintainer: Lorenzo Alberton
License: Apache v.2.0

Also:

https://github.com/michal-harish/kafka-php

Log4PHP Appender

https://github.com/dastra/log4php-kafka

 

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Rust

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Pure Rust implementation with support for Metadata, Produce, Fetch, and Offset requests. Supports Gzip and Snappy compression

 

Kafka Version: 0.8.x

Maintainer:  Yousuf Fauzan
License: MIT 

Code
Documentation

 

Alternative Java

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Of course the main project maintains a set of jvm-based clients. But here are alternate clients.

Krackle is an optimized Kafka client built by Blackberry.

 

Kafka Version: 0.8.x

Maintainer: Blackberry

License: Apache 2.0

https://github.com/blackberry/Krackle/blob/dev/LICENSE

 

Storm

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Port of Apache storm-kafka to >= 0.8.0

Maintainerwurstmeister
License: Apache 2.0

https://github.com/wurstmeister/storm-kafka-0.8-plus

 

Scala DSL 

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A DSL for Scala developers to produce and consume messages with Kafka.

 

Kafka Version: 0.8.x

MaintainerBig Data Open Source Security LLC
License: Apache 2.0

https://github.com/stealthly/scala-kafka

 

Clojure

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https://github.com/pingles/clj-kafka

https://github.com/miniway/kafka-clj

 

Kafka Version: 0.7.x

 

Client Libraries Previously Supported

https://svn.apache.org/repos/asf/incubator/kafka/branches/legacy_client_libraries

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  1. When is the python client for 0.8.x complete? _