ProGuard, Java optimizer and obfuscator

Black Obfuscator is an obfuscator for Android APK DexFile, it can help developer to protect source code by control flow flattening, and make it difficult to analyze the actual program control flow.

Public proof-of-concept obfuscator using the MapleIR framework designed by cts & bibl

Java .class to .cpp converter for use with JNI

This project is an Android Studio plugin version of BlackObfuscator, it supports obfuscating code automatically. More information about this project are in BlackObfuscator.

The open-source Java obfuscation tool working with Ant and Gradle by yWorks - the diagramming experts

[Abandoned] Scuffed java bytecode obfuscator

Jar Obfuscator - 一个 JAR/CLASS 字节码混淆工具，支持包名/类名/方法名/字段名/参数名引用分析和重命名混淆方式，支持字符串加密/整型异或混淆/垃圾代码花指令混淆/等方式，支持方法和字段的隐藏，支持 NATIVE 层的 JVMTI 代码加密，配置简单，文档教程齐全，容易上手

A Java bytecode obfuscator

Gradle Plugin - Obfuscator String Encryption (Android/Java)

scuti java obfuscator repository

Java obfuscator that hides code in comment tags and Unicode garbage by making use of Java's Unicode escapes.

Allatori v3.0 source code.

java bytecode obfuscator

Some java obfuscator I made to test out transformer ideas

Fake JNIC that sales for 8000CNY ~= 1000USD

Java Obfuscator in Beta

(W.I.P) Yet Another Java Obfuscator

MyJ2C 官方开源仓库(Official Open Source Repository)

Java .class to .cpp converter for use with JNI