Candidate List

Name: Qpid Java Broker
Home: http://qpid.apache.org/components/java-broker/
   A message broker written in Java that stores, routes, and forwards messages using AMQP.

Name: Quercus
Home: http://quercus.caucho.com/
   Caucho's PHP on the JVM

Name: Redline Smalltalk
Home: http://www.redline.st/
   Smalltalk on the Java Virtual Machine.

Name: relproxy
Home: https://github.com/jmarranz/relproxy/
   Simple Java and Groovy hot class reloader

Name: Resin
Home: http://www.caucho.com/
   Resin is a high-performance, cloud-optimized java application server

Name: RestClient
Home: http://code.google.com/p/rest-client/
   RESTClient is a Java application to test RESTful webservices

Name: Rest Shell
Home:
   Command-line shell for interacting with Spring HATEOAS-compliant REST resources

Name: Riak
Home: http://docs.basho.com/index.html
   Riak is a distributed database designed for maximum availability: so long as your client can reach one server, it should be able to write data. In most failure scenarios the data you want to read should be available, albeit possibly stale.

Name: RoboVM
Home: http://www.robovm.org/
   The goal of the RoboVM open-source project is to bring Java and other JVM languages to iOS. RoboVM's ahead-of-time compiler translates Java bytecode into native ARM or x86 machine code that runs directly on the target CPU without being interpreted. The runtime is based on Android's runtime classes and includes a Java to Objective-C bridge which makes it easy to use native Cocoa Touch APIs from Java.

Name: Roo
Home: http://www.springsource.org/spring-roo
   Spring Roo: rapid application development tool for Java developers

Name: Rundeck
Home: http://rundeck.org/
   Turn your operations procedures into self-service jobs. Safely give others the control and visibility they need

Name: s3cmd
Home: http://s3tools.org/s3cmd
   command line S3 client

Name: Apache S4
Home: http://incubator.apache.org/s4/
   S4 is a general-purpose, distributed, scalable, fault-tolerant, pluggable platform that allows programmers to easily develop applications for processing continuous unbounded streams of data.

Name: sbt
Home: http://www.scala-sbt.org/
   sbt is a build tool for Scala and Java projects that aims to do the basics well

Name: SBuild
Home: http://sbuild.org/
   SBuild is a fast and reliable build system most suitable for projects targeting the JVM. SBuild itself and the buildfiles are written in Scala. But typical build system maintenance tasks require almost no special Scala knowledge.

Name: Scala
Home: http://www.scala-lang.org/
   Scala is a general purpose programming language designed to express common programming patterns in a concise, elegant, and type-safe way

Name: Scribble
Home: http://www.jboss.org/scribble
   Scribble is a language to describe application-level protocols among communicating systems. A protocol represents an agreement on how participating systems interact with each other. Without a protocol, it is hard to do a meaningful interaction: participants simply cannot communicate effectively, since they do not know when to expect the other parties to send their data, or whether the other party is ready to receive a datum it is sending.

Name: Seam Framework
Home: http://www.seamframework.org/
   Seam is a powerful open source development platform for building rich Internet applications in Java. Seam integrates technologies such as Asynchronous JavaScript and XML (AJAX), JavaServer Faces (JSF), Java Persistence (JPA), Enterprise Java Beans (EJB 3.0) and Business Process Management (BPM) into a unified full-stack solution, complete with sophisticated tooling.

Name: Selenium
Home: http://www.seleniumhq.org/
   Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that. Boring web-based administration tasks can (and should!) also be automated as well.

Name: Shark
Home: http://shark.cs.berkeley.edu/
   Shark is an open source distributed SQL query engine for Hadoop data. It brings state-of-the-art performance and advanced analytics to Hive users.