Mocha is a Java decompiler, which allows programmers to translate a program's bytecode into source code.
A beta version of Mocha was released in 1996, by Dutch developer Hanpeter van Vliet, alongside an obfuscator named Crema.
A controversy erupted and he temporarily withdrew Mocha from public distribution.
Borland's JBuilder includes a decompiler based on Mocha.
Van Vliet's websites went offline as he died of cancer on December 31, 1996, at the age of 34.