CafeBabe Save
Interactively displays and obfuscates the internals of class files. [Open Source]
http://www.geocities.com/CapeCanavera...   

Cinnabar Canner Save
Protects Java-based applications from decompilation and reverse engineering by embedding an encrypted version of the application's classes and resources into a native Windows executable. [Commercial]
http://www.cinnabarsystems.com/canner...   

CodeShield Save
Command-line obfuscator for Java class files. [Commercial]
http://www.codingart.com/codeshield.html   

DashO Save
Obfuscates to enhance source code security, shrinks to improve efficiency, and watermarks to track the origin of a pirated copy. [Commercial]
http://www.preemptive.com/products/da...   

IBM alphaWorks JAX Save
A Java application packaging tool that reduces the distribution size of a Java application. [Commercial]
http://www.alphaworks.ibm.com/tech/JAX   

JBCO: The Java Bytecode Obfuscator Save
An Bytecode Obfuscator with third-generation control-flow transformations. [Open source]
http://www.sable.mcgill.ca/JBCO/   

JCloak Save
Bytecode obfuscator to protect code from reverse engineering. [Commercial]
http://www.force5.com/   

JLock Save
A Java class file encrypter. It transparently encrypts Java class files and at run-time decrypts the code, so that the JVM can interpret the class file as a valid Java byte-code. By JBit Software. [Commercial]
http://www.jbitsoftware.com/JBitSoftw...   

JODE (Java Optimize and Decompile Environment) Save
Can be used to optimize, obfuscate and/or decompile code. [Open Source, GPL]
http://jode.sourceforge.net/   

JProof 1stBarrier Save
Java obfuscation tools providing a way of protecting Java applications and applets from reverse engineering, decompiling and other technology theft. [Commercial]
http://www.jproof.com/products.html   

JavaGuard Save
Obfuscates. Updated version of RetroGuard. Can be run from the command-line or using a GUI. [Open source, GPL]
http://sourceforge.net/projects/javag...   

Jshrink Save
Removes unused code and data then obfuscates symbolic names in class files. [Commercial]
http://www.e-t.com/jshrink.html   

Marvin Save
Removes unnecessary classes and obfuscates applications, applets, and servlets. Supports encryption of string constants. [Freeware]
http://www.drjava.de/obfuscator/   

ProGuard Save
Shrinks and obfuscates, with template-based configuration. Comes with an Ant task, a J2ME WTK plugin, and a tool to de-obfuscate stack traces. [Open source, GPL]
http://proguard.sourceforge.net/   

RetroGuard Save
Highly-configurable Java bytecode obfuscator with support for Java 2, reflection and scripting. [Open Source, LGPL]
http://www.retrologic.com/retroguard-...   

Saffeine Save
Tool for the Java bytecode protection and feature driven license management. The 'Saffeine' engine uses strong cryptography algorithms to obfuscate unlicensed Java byte code. [Commercial]
http://www.saffeine.com/   

Semantic Designs Java Obfuscator Save
Scrambles source code using nonsense names and stripping comments to disable reverse engineering. Works on large sets of files. [Commercial]
http://www.semanticdesigns.com/Produc...   

Smokescreen Save
A Java class file obfuscator, that supports selective renaming, unused method and field removal, as well as bytecode obfuscation. [Shareware]
http://www.leesw.com/   

Software4j: Obfuscate4j Save
An obfuscator that integrates with Ant build systems. The development company offers a tutorial, user guide and download of a trial version. [Commercial]
http://www.software4j.com/obfuscate4j/   

Zelix KlassMaster Save
Java obfuscator with flow obfuscation, string literal encryption, scripting, Ant integration, incremental obfuscation, obfuscated line numbers, J2ME plugin and stack trace translation. Also removes unused classes, fields and methods. [Commercial]
http://www.zelix.com/klassmaster/   

jPresto Save
Shrinks and obfuscates code for the J2ME platform as well as the J2SE platform. [Commercial]
http://www.s5systems.com/jPresto.htm   

jarg - Java Archive Grinder Save
Shrinks and obfuscates jar files. Runs from the command line or as an Ant task. [Open source, BSD]
http://jarg.sourceforge.net/   

yGuard Save
Bytecode obfuscator configurable to run through Ant build scripts. [Freeware, core library is open source, LGPL]
http://www.yworks.com/en/products_ygu...   

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