Grails

• Grails Documentation
• Burt Beckwiths blog
• Groovy

Java

• Java Regular Expression Quantifiers
• Applet: Java Glossary

Tools

• JAlbum
• HttpClient @ Apache
• Launch4j @ SourceForge
• JDesktop Integration Components (JDIC)
• RetroGuard Java Obfuscator

JavaServerFaces

• Facelets @ dev.java.net
• JSF Forum @ Sun Developer Network
• Java Server Faces Tutorials @ LaLiLuna
• Building components @ JSFTutorials.NET
• JSF @ James Holmes
• JSF Central

J2ME

• Sony Ericsson Developer World
• Antenna (Ant tasks for J2ME)
• ProGuard (Java obfuscator)
• RetroGuard (Java obfuscator)