JAZOON'13 - Andres Almiray - Spock: boldly go where no test has gone before
Polyglot Programming @ Jax.de 2010
AST Transformations: Groovy’s best kept secret by Andres Almiray
Devoxx - The Groovy Ecosystem
Gr8conf - The Groovy Ecosystem Revisited
The Groovy Ecosystem Revisited
Griffon demo