TrialWare4J - Allows any Java application to support limited time trials. Full set of software licensing options for Java programs. Additional to product overview the site offers corporate and support information. [Commercial, trial version] - http://www.trialware4j.com/
CPacker - A software tool to automatically build minimum JARs for running a given class. [Open Source, GPL] - http://xoomer.alice.it/csadun/software/cpacker/
Seppia - A simple framework to build and deploy Java application. It gains from the sinergy of Java and Javascript and a minimum set of clear rules to organize their interaction. - http://www.seppia.org
Fastjar - A 'jar' utility with additional features, written in C. [Open Source, GPL] - http://fastjar.sourceforge.net/
Jarpend Project - Provide tools relative to dependency checking for Java. [OpenSource, BSD] - http://jarpend.sourceforge.net
JExpress - Creates Java installations. Install from the web. Customize with Java. Ship the exact classes need and check updates. By DeNova, Inc. [Commercial] - http://www.denova.com/
Duckware: Java Tools - Includes Java2exe to package all program resources into single executable and MakeInstall to support install/uninstall. Also includes obfuscator. [Shareware] - http://www.duckware.com/products/javatools.html
FreeInstaller - A software installer that can install Java and non-Java files from a self-extracting archive. [Open Source] - http://www.xenonsoft.demon.co.uk/products/freeinstaller/index.html
AutoRad - Automated Release and Distribution system for Java. [Open Source, GPL] - http://www.gjt.org/info/design/autorad.shtml
JDeploy - Creates a JAR file with all and only the Java classes required by a given main class. [Freeware] - http://www.tiobe.com/jdeploy.htm