clients.md

Go

• Shopify's Sarama
• JDamick's Kafka
• Optionpay's Kafka
• Go Kafka streaming

Javascript/Node

• Oleksiyk's Kafka
• Node Sinek
• Node Kafka streams
• Node librdkafka
• kafka-node Node.js client for Apache Kafka 0.9+
• Kafka-logger Kafka-winston logger for nodejs from uber

PHP

• Kafka-php
• php-rdkafka

Ruby

• Ruby
• Phobos - Ruby App framework
• Karafka - Ruby and Rails framework
• JRuby

Rust

• kafka pure rust, has major issues and at the time without maintainer
• rdkafka wrapping librdkafka, full async support
• schema_registry_converter for using Confluent schema registry

Other

• Python
• Perl
• Dart
• Elixir
• Erlang
• LinkedIn wrapper library
• kasper - a lightweight library for processing Kafka topics
• librdkafka The Apache Kafka C/C++ library

Kafka Streams Libraries

• Scala Merged into Kafka 2.0 - KAFKA-6670
• faust - Python Stream Processing
• Python

KSQl

• KSQL JDBC Driver