*[Open Advice: FOSS: What We Wish We Had Known When We Started](http://open-advice.org/)
*[Producing Open Source Software](http://producingoss.com/)
* The Art of Community: Building the New Age of Participation; [First edition](http://www.artofcommunityonline.org/downloads/jonobacon-theartofcommunity-1ed.pdf)(PDF), [Second edition](http://ubuntuone.com/0n352YwUjlcFR8PjIELH67)(PDF) - Jono Bacon
*[The Architecture of Open Source Applications: Vol. 1: Elegance, Evolution, and a Few Fearless Hacks; Vol. 2: Structure, Scale, and a Few More Feerless Hacks](http://www.aosabook.org/en/index.html)
*[The Cathedral and the Bazaar](http://www.catb.org/esr/writings/cathedral-bazaar/) - Eric S. Raymond
*[The Future of the Internet](http://futureoftheinternet.org/)
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@@ -887,12 +883,12 @@
###Groovy
####Gradle
*[Gradle User Guide](http://www.gradle.org/docs/current/userguide/userguide.html)([PDF](http://www.gradle.org/docs/current/userguide/userguide.pdf)) - Hans Dockter, Adam Murdoch
*[Gradle User Guide](http://www.gradle.org/docs/current/userguide/userguide.html)([PDF](http://www.gradle.org/docs/current/userguide/userguide.pdf)) - Hans Dockter, Adam Murdoch
*[Building Java Projects with Gradle](http://spring.io/guides/gs/gradle/)
*[Building and Testing with Gradle](http://www.gradleware.com/registered-access?content=books%2Fbuilding-and-testing%2F)
####Grails
*[The Grails Framework - Reference Documentation](http://grails.org/doc/latest/)([PDF](http://grails.org/doc/latest/guide/single.pdf)) - Graeme Rocher, Peter Ledbrook, Marc Palmer, Jeff Brown, Luke Daley, Burt Beckwith, Lari Hotari
*[The Grails Framework - Reference Documentation](http://grails.org/doc/latest/)([PDF](http://grails.org/doc/latest/guide/single.pdf)) - Graeme Rocher, Peter Ledbrook, Marc Palmer, Jeff Brown, Luke Daley, Burt Beckwith, Lari Hotari
*[Grails Tutorial for Beginners](http://grails.asia/grails-tutorial-for-beginners/) - GRAILS COOKBOOK
*[Getting Started with Grails](http://www.infoq.com/minibooks/grails-getting-started)