A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Generating fake data for the JVM (Java, Kotlin, Groovy) has never been easier!

A robust, generic, streaming random json data generator for your data

Source code for the Kafka Streams in Action Book

Parallel Apache Kafka client wrapper with per message ACK, client side queueing, a simpler consumer/producer API with key concurrency and extendable non-blocking IO processing.

ANTLR 4 IDE for Eclipse

Fluent Kafka Streams Test with Java

source code for guava blog series

Source code repository for the 2nd Edition of Kafka Streams in Action

Apache Avro™ support plugin for IntelliJ

Source code for Spring MVC Servlet 3.0 Blog

Repository containing code examples for the Kafka Summit-Europe 2021 presentation on multiple event types in a single topic.

various Kafka command line tools for aiding with Kafka development

Source files for antlr blogs

Source code for Caliper blog

Source code for blog using thrift to search a lucene index from ruby

The Kotlin Programming Language

KSQL - the Streaming SQL Engine for Apache Kafka