Modules

Many "Modules" have been contributed to Groovy, most of which provide enhanced integration and extension for various tasks.

• COM Scripting — script Windows ActiveX and COM components with Groovy
• Gant
• GFreeMarker — an integration of the FreeMarker template engine for Groovy
• Google Data Support — makes using the Google Data APIs easier from within Groovy
• Gram — a simple xdoclet-like tool for processing doclet tags or Java 5 annotations
• GraphicsBuilder — GraphicsBuilder is a Groovy builder for Java 2D
• Grapplet
• Griffon — Dekstop Enhancements for Groovy
• Groosh — Provides a shell-like capability for handling external processes.
• Groovy Jabber-RPC — allows you to make XML-RPC calls using the Jabber protocol
• GroovyJMS
• GroovyLab — Provides a domain specific language (DSL) for math engineering (matlab-like syntax).
• Groovy Monkey — is a dynamic scripting tool for the Eclipse Platform
• GroovyRestlet — Groovy DSL for constructing Restlet application
• Groovy Science
• Groovy SOAP — create a SOAP server and make calls to remote SOAP servers using Groovy
• GroovySWT — a wrapper around SWT, the eclipse Standard Widget Toolkit
• GroovyWS — GroovySOAP replacement that uses CXF and Java5 features
• GSP — means GroovyServer Pages, which is similar to JSP (JavaServer Pages)
• GSQL — supports easier access to databases using Groovy
• HTTP Builder — provides a convenient builder API for complex HTTP requests
• JideBuilder — JideBuilder is a Groovy builder for the open source JIDE Common Layer
• MetaBuilder — MetaBuilder is a builder that builds builders.
• Native Launcher — a native program for launching groovy scripts
• Proxy-o-Matic — Proxy-o-Matic lets you create dynamic proxies fast and in an homogeneous way
• Windows NSIS-Installer — a Windows-specific installer for Groovy
• Windows Services — framework for Groovy-based WinNT (Windows) Services
• WingSBuilder — WingsBuilder is a Groovy builder for the wingS Framework
• XMLRPC — allows you to create a local XML-RPC server and/or to make calls on remote XML-RPC servers
• GroovyFX — GroovyFX provides a Groovy binding for JavaFX 2.0.
• Gaelyk — Gaelyk is a lightweight Groovy toolkit for developing and deploying Groovy applications on Google App Engine.
• GMaven
• Groovy Transforms — Provides additional AST Transformations

• Grails — a Groovy-based web framework inspired by Ruby on Rails
• GORM — the Grails Object-Relational Mapping persistence framework
• Griffon — a Groovy-based desktop framework inspired by Grails
• GroovyPlugin — A Groovy plugin for JSPWiki
• OCM Groovy — A Object Content Mapping implemented in Groovy leveraging the Java Content Repository (JCR)
• Tellurium — A test framework built on top of the Selenium test framework implemented in Groovy
• Gradle — The next generation build system
• GPars — A Groovy concurrency/parallelism library
• CodeNarc — Static analysis for defects, bad practices, inconsistencies and style issues in Groovy code.
• GroovyServ — GroovyServ makes Groovy’s startup time much faster, by pre-invoking Groovy as a server.
• GBench — A benchmarking framework for Groovy

Finally, if you don't see what you're looking for in the above list, remember – Groovy is Java! Just put that JAR in your classpath and start pounding at your keyboard as if it was Java.