GitHub - ClaudiuGeorgiu/Obfuscapk: An automatic obfuscation tool for Android apps that works in a black-box fashion, supports advanced obfuscation features and has a modular architecture easily extensible with new techniques
GitHub - joomcode/paranoid: String obfuscator for Android applications
Obfuscation And Strings Encryption In Android » Effortless Security
Katalina: an open-source Android string deobfuscator
Encrypting String Constants with Dotfuscator | PreEmptive