Alternatives

This is a list of the programs of which I'm aware. Obviously, I've never personally tested all of them. Many programs, even commercial ones, have been abandoned. Please drop me a note if you know of any other shrinkers, optimizers, obfuscators, or preverifiers, or if some information provided below is incorrect.

Author/Company	Program	Shrink.	Optim.	Obfusc.	Preverif.	License
Eric Lafortune	ProGuard					Free (GPL)
Jochen Hoenicke	Jode					Free (GPL)
NQ4	Joga					Free (no source)
Nate Nystrom	Bloat					Free
Hidetoshi Ohuchi	Jarg					Free (BSD)
Alexander Shvets	CafeBabe					Free
yWorks	yGuard					Free (no source)
Christian Grothoff	Jamit					Free (GPL)
Mojo	Minijar					Free (Apache)
RiggsHill Software	GenJar					Free (Apache)
Apache	Ant Classfileset					Free (Apache)
Romain Guy	Harvester					Free (BSD)
Emeric Vernat	DCD					Free (LGPL)
Cristiano Sadun	Pack					Free (LGPL)
Brian Alliet	Gcclass					Free (LGPL)
Sable	Soot					Free (LGPL)
Konstantin Knizhnik	JavaGO					Free
Haruaki Tamada	DonQuixote					Free
Sable	JBCO					Free (LGPL)
Thorsten Heit	JavaGuard					Free (LGPL)
Patrick Mueller	Mwobfu					Free (GPL)
Elegant Software	JMangle					Free
BebboSoft	Bb_mug					Free (no source)
Dr. Java	Marvin Obfuscator					Free (no source)
IBM	WSDD					Commercial
PreEmptive	DashOPro					Commercial
Zelix	KlassMaster					Commercial
S5 Systems	jPresto					Commercial
Sophia Cradle	SophiaCompress					Commercial
RetroLogic	RetroGuard					Commercial
CodingArt	CodeShield					Commercial
Eastridge Technology	Jshrink					Commercial
Helseth	JObfuscator					Commercial
LeeSoftware	Smokescreen Obfuscator					Commercial
Vega Technologies	JZipper					Commercial
Innaworks	mBooster					Commercial
Sergey Sverdlov	J.Class Optimizer					Commercial
Smardec	Allatori					Commercial
U. of Arizona	SandMark					Commercial
Force 5	JCloak					Commercial
Semantic Designs	Obfuscator					Commercial
Duckware	Jobfuscate					Commercial
JProof	JProof					Commercial
GITS	Blurfuscator					Commercial
ChainKey	Java Code Protector					Commercial
Alain Moran	flmObf					Free (BSD)
Vasile Calmatui	VasObfuLite					Free
IBM AlphaWorks	JAX					(discontinued)
Markus Jansen	Jopt					(disappeared?)
Eron Jokipii	Jobe					(disappeared?)
JRC	DeCaf					(disappeared?)
Bajie	JCMP					(disappeared?)
Plumb Design	Condensity					Commercial (discontinued)
4th Pass	SourceGuard					Commercial (discontinued?)
Software4j	Obfuscate4j					Commercial (discontinued?)
JAMM Consulting	ObfuscatePro					Commercial (discontinued?)
JDevelop	JSCO					Commercial (discontinued?)
4Fang	JMix					Commercial (discontinued?)
2LKit	2LKit Obfuscator					Commercial (disappeared?)
WingSoft	WingGuard					Commercial (disappeared?)
HashJava	HashJava					Commercial (disappeared?)

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