A Java application packaging tool that reduces the distribution size of a Java application. [Commercial]

Scrambles source code using nonsense names and stripping comments to disable reverse engineering. Works on large sets of files. [Commercial]

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]

A Java class file obfuscator, that supports selective renaming, unused method and field removal, as well as bytecode obfuscation. [Shareware]

Bytecode obfuscator to protect code from reverse engineering. [Commercial]

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]