Candidate List

Name: jvmtop
Home: https://code.google.com/p/jvmtop/
   jvmtop is a lightweight console application to monitor all accessible, running jvms on a machine. In a top-like manner, it displays JVM internal metrics (e.g. memory information) of running java processes.

Name: Jython
Home: http://www.jython.org/
   Python for the Java Platform

Name: Kaazing
Home: http://kaazing.com/
   The Kaazing WebSocket Gateway is the world's first and only enterprise solution for full-duplex, high-performance communication over the Web built with the HTML5 WebSocket standard at its foundation.

Name: Apache Kafka
Home: http://kafka.apache.org/
   Apache Kafka is publish-subscribe messaging rethought as a distributed commit log.

Name: Karaf
Home: http://karaf.apache.org/
   Apache Karaf is a small OSGi based runtime which provides a lightweight container onto which various components and applications can be deployed.

Name: Kibana
Home: http://www.elasticsearch.org/overview/kibana/
   visualize logs and time-stamped data. elasticsearch works seamlessly with kibana to let you see and interact with your data

Name: Apache Knox
Home: http://knox.apache.org/
   The Apache Knox Gateway is a REST API Gateway for interacting with Hadoop clusters.

Name: Kobalt
Home: https://github.com/cbeust/kobalt
   Kobalt is a universal build system

Name: Kotlin
Home: http://kotlin.jetbrains.org/
   Statically typed programming language that compiles to JVM byte codes and JavaScript

Name: Kotlin/Native
Home: https://github.com/JetBrains/kotlin-native
   Kotlin/Native is a LLVM backend for the Kotlin compiler, runtime implementation and native code generation facility using LLVM toolchain.

Name: kscript
Home: https://github.com/holgerbrandl/kscript
   Scripting enhancements for Kotlin

Name: Oracle NoSQL Database
Home: http://www.oracle.com/technetwork/products/nosqldb/overview/index.html
   The Oracle NoSQL Database is a distributed key-value database. It is designed to provide highly reliable, scalable and available data storage across a configurable set of systems that function as storage nodes.

Name: Apache Kylin
Home: http://kylin.apache.org/
   Apache Kylin is an open source Distributed Analytics Engine designed to provide SQL interface and multi-dimensional analysis (OLAP) on Hadoop supporting extremely large datasets, original contributed from eBay Inc.

Name: Lazybones
Home: https://github.com/pledbrook/lazybones
   Lazybones was born out of frustration that Ratpack does not and will not have a command line tool that will bootstrap a project

Name: Leiningen
Home: http://leiningen.org/
   Leiningen is the easiest way to use Clojure. With a focus on project automation and declarative configuration, it gets out of your way and lets you focus on your code.

Name: Linkerd
Home: https://linkerd.io/
   Resilient service mesh for cloud native apps

Name: Liquibase
Home: http://www.liquibase.org/
   An open source library for tracking, managing and applying database changes

Name: Logstash
Home: http://www.elasticsearch.org/overview/logstash/
   manage events and logs. elasticsearch works seamlessly with logstash to collect, parse, index, and search logs

Name: Luke
Home: http://code.google.com/p/luke/
   Lucene GUI Tool

Name: Apache Mahout
Home: http://mahout.apache.org/
   Apache Mahout has implementations of a wide range of machine learning and data mining algorithms: clustering, classification, collaborative filtering and frequent pattern mining.