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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.
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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.
For 0.8.x
The 0.8 release changes the protocol fairly substantially. The new protocol is documented here.
Producer Daemon
Bruce is a producer daemon that supports clients in various programming languages. Clients write messages to Bruce's UNIX domain datagram socket in a simple binary format. Bruce then takes full responsibility for reliable message delivery. Monitoring infrastructure can query Bruce's web interface for JSON-based status and data quality reports.
Maintainer: Dave Peterson
License: Apache v.2.0
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:https://github.com/ifweedenhill/bruce
Python
Pure Python implementation with full protocol support. Consumer and Producer implementations included, GZIP and Snappy compression supported.
Maintainer: David Arthur
License: Apache v.2.0
https://github.com/mumrah/kafka-python
Python driver with full protocol support and balanced consumer implementation. GZIP and Snappy compression supported.
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Native C++ library with protocol support for Metadata, Produce, Fetch, and Offset.
Maintainer: David Tompkins
License: Apache 2.0
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Go (AKA golang)
Pure Go implementation with full protocol support. Consumer and Producer implementations included, GZIP and Snappy compression supported.
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C++ Header-only Kafka Client Library using Boost Asio
Maintainer: Daniel Joos
License: MIT
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Enhanced Go Kafka consumer and producer implementations.
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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
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A pure Go implementation of the low level Kafka API.
Maintainer: Big Data Open Source Security
License: Apache v2.0
C/C++
Robust high performance C/C++ library with full protocol support
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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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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
C++ Header-only Kafka Client Library using Boost Asio
Python
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High performance Python client based on Librdkafka with full protocol support.Maintainer: Daniel Joos
License: MIT
https://github.com/danieljoosconfluentinc/libkafkaconfluent-kafka-asio
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
.net
Pure C# client with full protocol support. Includes consumer, producer,
lower level components and gzip support (no snappy)
Maintainer: James Roland
License: Apache 2.0
https://github.com/Jroland/kafka-net
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.
Maintainer: ExactTarget
License: Apache 2.0
https://github.com/ExactTargetDev/kafka-net
Clojure
Fast kafka api for JVM languages implemented in clojure
Maintainer: https://github.com/gerritjvv
License: Apache 2.0
https://github.com/gerritjvv/kafka-fast
Wrapper to the Java API for interacting with Kafka
Maintainer: https://github.com/pingles
License: Apache 2.0
https://github.com/pingles/clj-kafka/
Ruby
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).
Maintainer: Bob Potter
License: MIT
Docs: http://docs.confluent.io/current/clients/index.html
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Pure Python implementation with full protocol support. Consumer and Producer implementations included, GZIP, LZ4, and Snappy compression supported.
http://github.com/dpkp/kafka-python
Kafka Version: 0.8.x, 0.9.x, 0.10.x, 0.11.x, 1.0.x
Maintainer: Dana Powers
License: Apache 2.0
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Python driver with full protocol support, Pythonic API, and managed balanced consumer implementation.
https://github.com/
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Karafka - Microframework used to simplify Apache Kafka-based Ruby applications development.
Maintainer: Maciej Mensfeld
Licence: MIT
https://github.com/karafka/karafka
Node.js
Kafka-Node is a NodeJS client with Zookeeper integration
Maintainer: sohu.com
pykafka
Kafka Version: 0.8.x,0.9.x,0.10.x
Maintainer: Parse.ly
License: Apache 2.0
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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
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Kafka-node is a pure JavaScript implementation for NodeJS Server with Vagrant and Docker support.
Maintainer: wurstmeister
License: Apache 2.0
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Node-kafka is a node.js wrapper for the C library librdkafka
Maintainer: Sutoiku
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Kafka Version: 0.7.x
Maintainer:: Dan Sulley, LinkedIn
License: Apache 2.0
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Python client from Disqus:
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Alternative Java Clients
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.
Maintainer: Blackberry
License: Apache 2.0
https://github.com/blackberry/Krackle/blob/dev/LICENSE
Storm
Port of Apache storm-kafka to >= 0.8.0
Maintainer: wurstmeister
License: Apache 2.0
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Scala DSL
A DSL for Scala developers to produce and consume messages with Kafka.
Maintainer: Big Data Open Source Security LLC
License: Apache 2.0
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/
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HTTP REST
Apache Kafka HTTP Endpoint for producing and consuming messages from topics
Maintainer: Big Data Open Source Security LLC
License: Apache 2.0
https://github.com/stealthly/dropwizard-kafka-http
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: MITMaintainer: Sasha Klizhentas
License: Apache 2.0
https://github.com/mailgun/kafka-http
Maintainer: Confluent
License: Apache 2.0
Docs: http://confluent.io/docs/current/kafka-rest/docs/intro.html
Code: https://github.com/confluentinc/kafka-rest
JRuby
JRuby wrapper for producers and consumers of the existing API
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confluent-kafka-go: Confluent's Kafka client for Golang wraps the librdkafka C library, providing full Kafka protocol support with great performance and reliability.
The Golang bindings provides a high-level Producer and Consumer with support for the balanced consumer groups of Apache Kafka 0.9 and above.
Kafka Version: 0.8.x, 0.9.x, 0.10.x, 0.11.x
Maintainer: Confluent
License: Apache v2Maintainer: Joseph Lawson
License: Apache 2.0
https://github.com/joekillerconfluentinc/jrubyconfluent-kafka
Perl
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Docs: http://docs.confluent.io/current/clients/index.html
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Pure Go implementation providing full protocol support, great performance, and support for all client facing KIPs.
Kafka Version: 0.8.0+
Maintainer: Travis Bischel
License: MIT
Docs: https://pkg.go.dev/github.com/twmb/kafka-go/pkg/kgo
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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.
stdin/stdout
Generic producer and consumer for stdin and stdout
https://github.com/edenhillklarna/kafkacatbrod
Maintainer: Magnus Edenhill
License: 2-clause BSD
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 Version: 0.8.x
Maintainer: Helpshift
License: Apache v2
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erlkafka is a kafka client written in erlang
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PHP
PHP extension built on librdkafka
Maintainer: Elias Van Ootegem
License: MIT
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Milind Parikh
*License: BSD, LGPL
Also:
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PHP client based on librdkafka
PowerShell
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PowerShell client supporting Producer, Consumer, Admin; plus from PowerShell it is possible to run all tools available.
Full list of available cmdlets on KNet PowerShell usage
Kafka Version: 3.6.0
Maintainer: MASES s.r.l.
License: Apache 2.0Maintainer: Arnaud Le Blanc, for Mention.com
License: MIT
https://github.com/arnaud-lb/php-rdkafka
Rust
Pure Rust implementation with support for Metadata, Produce, Fetch, and Offset requests. Supports Gzip and Snappy compression
Maintainer: Yousuf Fauzan
License: MIT
0.1-0.7.x
Java
Maintained with the main code base.
C
Native C library with Consumer, Producer and compression support.
https://github.com/edenhill/librdkafka
Maintainer: Magnus Edenhill
License: 2-clause BSD
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Direct link: https://www.powershellgallery.com/packages/MASES.KNetPS
.NET
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KNet is a comprehensive .NET suite for Apache Kafka providing all features: Producer, Consumer, Admin, Streams, Connect, backends (ZooKeeper and Kafka).
Kafka Version: 3.6.0
Maintainer: MASES s.r.l.
License: Apache 2.0
https://github.com/quipo/kafka-cpp
PHP
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A fully featured .NET client for Apache Kafka based on librdkafka (a fork of rdkafka-dotnet).
Kafka Version: 0.8.x, 0.9.x, 0.10.x, 0.11.x
Maintainer: Confluent Inc. (original author Andreas Heider)
License: Apache 2.0
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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
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2.0
Also:
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Log4PHP Appender
https://github.com/dastra/log4php-kafka
Python
We have a wealth of python clients!
Protocol support for Kafka 0.7 in Python. GZip and Snappy compression supported
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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
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Also:
https://github.com/dsully/pykafka
Maintainer:: Dan Sulley, LinkedIn
License: Apache 2.0
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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
Maintainer: Microsoft
License: Apache 2.0
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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
Maintainer: Vadim Chekan
License: Apache-2.0
https://github.com/
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kafka-sharp - "High Performance" .NET Kafka Driver
Kafka Version: 0.8.x
Maintainer: Criteo
License: Apache 2.0
https://github.com/criteo/kafka-sharp
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kafunk - Fully-featured, native F# client which works on .NET Core
Kafka Version: 0.8.x, 0.9.x, 0.10.x
Maintainer: Jet.com
License: Apache 2.0
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Clojure
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Fast kafka api for JVM languages implemented in clojure.
Kafka Version: 0.8.x
Maintainer: https://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
Maintainer: https://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
Maintainer: Pierre-Yves Ritschard
License: MIT
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Ruby
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Karafka - Ruby and Rails multi-threaded efficient Kafka processing framework. Based on librdkafka.
Kafka Version: 1.0+
Maintainer: Maciej Mensfeld
License: LGPL-3.0
https://github.com/karafka/karafka
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WaterDrop - Standalone Karafka library for producing Kafka messages . Based on librdkafka.
Kafka Version: 1.0+
Maintainer: Maciej Mensfeld
License: MIT
https://github.com/karafka/waterdrop
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rdkafka - Modern low-level Kafka client library for Ruby based on librdkafka
Kafka Version: 1.0+
Maintainer: Maciej Mensfeld
License: MIT
https://github.com/karafka/rdkafka-ruby
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Racecar – A simple framework for writing Kafka consumers in Ruby that integrates nicely with Rails. Based on ruby-kafka.
Kafka Version: 0.9.x, 0.10.x, 0.11.x
Maintainer: Zendesk / Daniel Schierbeck
License: Apache 2.0
https://github.com/zendesk/racecar
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DeliveryBoy – A simple way to publish messages to Kafka from Ruby applications. Based on ruby-kafka.
Kafka Version: 0.9.x, 0.10.x, 0.11.x
Maintainer: Zendesk / Daniel Schierbeck
License: Apache 2.0
https://github.com/zendesk/delivery_boy
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Node.js
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The node-rdkafka library is a high-performance NodeJS client for Apache Kafka that wraps the native librdkafka library. All the complexity of balancing writes across partitions and managing (possibly ever-changing) brokers should be encapsulated in the library.
https://github.com/Blizzard/node-rdkafka
Kafka Version: 0.9, 0.10
Node.js >= 4
Maintainer: Blizzard.com
License: MIT
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Kafka-Node is a NodeJS client with Zookeeper integration
Kafka Version: 0.8.x
Maintainer: sohu.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
Maintainer: wurstmeister
License: Apache 2.0
https://github.com/wurstmeister/node-kafka-0.8-plus
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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, 0.9.x, 0.10.x, 0.11.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
Maintainer: Big 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
Maintainer: Confluent
License: Apache 2.0
- Docs: https://docs.confluent.io/current/kafka-rest/docs/index.html
- Code: https://github.com/confluentinc/kafka-rest
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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
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Full featured HTTP REST Proxy for Kafka in Elixir with fine grained JWT-based authentication
https://github.com/klarna/kastlex
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
Maintainer: Sergey 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
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
Ruby
https://github.com/acrosa/kafka-rb
Maintainer: Alejandro Crosa
License:: Apache 2.0
Event machine client:
https://github.com/groupme/em-kafka
JRuby Event stream processor
https://github.com/wooga/kafkaesque
Clojure
/blackberry/Krackle/blob/dev/LICENSE
Storm
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Port of Apache storm-kafka to >= 0.8.0
Maintainer: wurstmeister
License: Apache 2.0https://github.com/pingles/clj-kafka
https://github.com/miniwaywurstmeister/storm-kafka-0.8-cljplus
Go
https://github.com/nuance/kafka
https://github.com/jdamick/kafka.go
Node.js
Scala DSL
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A DSL for Scala developers to produce and consume messages with Kafka.
Kafka Version: 0.8.x
Maintainer: Big Data Open Source Security LLC
License: Apache 2.0Low-level protocol support in node.js.
https://github.com/cainus/Prozess
https://npmjs.org/package/prozess
Maintainers:
Gregg Caines
Eric lee
License: MITAlternate node client from Taggedstealthly/scala-kafka
Clojure
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https://github.com/marcuswestinpingles/nodeclj-kafkaAlso
:
https://github.com/dannycoates/franz-kafka
Erlang
erlkafka is a kafka client written in erlang
https://github.com/milindparikh/erlkafka.git
Maintainer: Milind Parikh
*License: BSD, LGPL
Kafka Version: 0.7.x
Swift
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Pure Swift implementation of Producer + Simple and High-Level Consumer
Kafka Version: 0.9.x
Maintainer: Kellan Cummings, Luke Lau
License: MIT
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Client Libraries Previously Supported
https://svn.apache.org/repos/asf/incubator/kafka/branches/legacy_client_libraries