Groovy - An agile dynamic language for the Java Platform

Groovy ...

• is an agile and dynamic language for the Java Virtual Machine
• builds upon the strengths of Java but has additional power features inspired by languages like Python, Ruby and Smalltalk
• makes modern programming features available to Java developers with almost-zero learning curve
• supports Domain Specific Languages and other compact syntax so your code becomes easy to read and maintain
• makes writing shell and build scripts easy with its powerful processing primitives, OO abilities and an Ant DSL
• increases developer productivity by reducing scaffolding code when developing web, GUI, database or console applications
• simplifies testing by supporting unit testing and mocking out-of-the-box
• seamlessly integrates with all existing Java objects and libraries
• compiles straight to Java bytecode so you can use it anywhere you can use Java

• Inline-Java
• JBasic - A little bit of BASIC
• PHP-Java Bridge
• BSF - Bean Scripting Framework
• Jelly - a tool for turning XML into executable code
• JRuby - Java powered Ruby implementation
• Google XRuby - Ruby to Java bytecode compiler
• Hecl
• Pnuts
• The Tcl Java Project
• BeanShell - Lightweight Scripting for Java
• Jess - the Rule Engine for the JavaTM Platform
• Judo - practical, functional scripting language
• Rhino: JavaScript for Java
• The Jython Project
• LuaJava
• The Sleep Scripting Project
• Seppia
• ObjectScript