CafeBabe
Interactively displays and obfuscates the internals of class files. [Open Source]
url: www.geocities.com/CapeCanaveral/Hall/2334/Programs...
Cinnabar Canner
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]
url: www.cinnabarsystems.com/canner.html
CodeShield
Command-line obfuscator for Java class files. [Commercial]
url: www.codingart.com/codeshield.html
Condensity
Shrinks, obfuscates, and optimizes code, protecting class files from reverse engineering, making them smaller and more efficient. [Commercial]
url: www.condensity.com/
DashO
Obfuscates and shrinks class files by renaming all classes, methods, and fields, as well as removing unused methods, fields, and constant-pool entries. [Commercial]
url: preemptive.com/tools/
IBM alphaWorks JAX
A Java application packaging tool that reduces the distribution size of a Java application. [Commercial]
url: www.alphaworks.ibm.com/tech/JAX
jarg - Java Archive Grinder
Shrinks and obfuscates jar files. Runs from the command line or as an Ant task. [Open source, BSD]
url: jarg.sourceforge.net/
JavaGuard
Obfuscates. Updated version of RetroGuard. Can be run from the command-line or using a GUI. [Open source, GPL]
url: sourceforge.net/projects/javaguard/
JCloak
Bytecode obfuscator to protect code from reverse engineering. [Commercial]
url: www.force5.com/
JLock
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]
url: www.jbitsoftware.com/JBitSoftware/jlockinfo.html
JMix
Compiles and obfuscates classes in one go, based on configuration tags in javadoc comments. [Commercial]
url: www.4fang.net/jmix/
JObfuscator
A Java obfuscator that uses XML project files and can be easily integrated with Ant build systems and IDEs that support Ant tasks. [Shareware]
url: www.jobfuscator.com/
JODE (Java Optimize and Decompile Environment)
Can be used to optimize, obfuscate and/or decompile code. [Open Source, GPL]
url: jode.sourceforge.net/
jPresto
Shrinks and obfuscates code for the J2ME platform as well as the J2SE platform. [Commercial]
url: www.s5systems.com/jPresto.htm
JProof 1stBarrier
Java obfuscation tools provide a convenient way of protecting Java applications and applets from reverse engineering, decompiling and other technology theft. [Commercial]
url: www.jproof.com/products.html
Jshrink
Removes unused code and data then obfuscates symbolic names in class files. [Commercial]
url: www.e-t.com/jshrink.html
JZipper
Obfuscates and packages required Java class files. [Commercial]
url: www.vegatech.net/jzipper/
Marvin
Removes unnecessary classes and obfuscates applications, applets, and servlets. Supports encryption of string constants. [Freeware]
url: www.drjava.de/obfuscator/
ProGuard
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]
url: proguard.sourceforge.net/
RetroGuard
Highly-configurable Java bytecode obfuscator with support for Java 2, reflection and scripting. [Open Source, LGPL]
url: www.retrologic.com/retroguard-main.html
Saffeine
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]
url: www.saffeine.com/
Semantic Designs Java Obfuscator
Scrambles source code using nonsense names and stripping comments to disable reverse engineering. Works on large sets of files. [Commercial]
url: www.semanticdesigns.com/Products/Obfuscators/JavaO...
Smokescreen
A Java class file obfuscator, that supports selective renaming, unused method and field removal, as well as bytecode obfuscation. [Shareware]
url: www.leesw.com/
yGuard
Bytecode obfuscator configurable to run through Ant build scripts. [Freeware, core library is open source, LGPL]
url: www.yworks.com/en/products_yguard_about.htm
Zelix KlassMaster
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]
url: www.zelix.com/klassmaster/
