1. Ecosystem

2. About the Speaker Java developer since the beginning True believer in Open Source Groovy committer since 2007 Project lead of the Griffon framework Currently working for

4. http://grails.org Started in 2005, inspired by Ruby on Rails Apache License 2.0 Builds on top of Spring, Hibernate, Sitemesh More than 500 plugins available Used for both small and large scale projects

6. http://griffon.codehaus.org Started in 2008, inspired by Grails Apache License 2.0 Build desktop apps effortlessly More than 135 plugins Polyglot aware Multi toolkit support

8. http://gaelyk.appspot.com Started in 2009 Apache License 2.0 Provides lightweight abstractions over GAE’s services Emerging plugin system

9. Gradle

10. http://gradle.org Started in 2007 Apache Licence 2.0 Groovy DSL for project building Harness the power of maven conventions Has a very deep DAG for handling task dependencies Plugin system ready

12. http://gant.codehaus.org Started sometime in 2006 Apache License 2.0 Think Ant without the ugly XML Used by both Grails and Griffon

14. http://easyb.org Started in 2008 Apache License 2.0 Inspired in JBehave Enables BDD testing for Java/Groovy code IDE Integration Plugins for Grails & Griffon

15. Spock

16. http://spockframework.org Started in 2007 Apache License 2.0 Testing DSL framework Think Junit4 meets RSpec plus some magic

18. http://codenarc.sourceforge.net Started in 2009 Apache License 2.0 Enables static code analysis for Groovy code Plugins for Grails, Griffon and Gradle GMetrics: sibling project that provides basic code metrics

20. http://gpars.codehaus.org Started in 2009 Apache License 2.0 (?) Brings concurrency management structures to Groovy: – Actors, Dataflow, fork/join

21. And many more! Ratpack https://github.com/bleedingwolf/Ratpack https://github.com/bleedingwolf/Ratpack GContracts https://github.com/andresteingress/gcontract s https://github.com/andresteingress/gcontract s Groovy++ http://code.google.com/p/groovypptest http://code.google.com/p/groovypptest

22. Thank you! @aalmiray