There are 2 repositories under string-obfuscation topic.
Guaranteed compile-time string literal obfuscation header-only library for C++14
String obfuscator for Android applications.
Simple header-only compile-time library for string obfuscation (C++14)
Deobfuscate "paranoid" protected apps
Android project java string obfuscated gradle plugin(Android项目java字符串混淆gradle插件)
This is a Android Gradle plugin that obfuscates strings in Kotlin classes
Minimalist golang string obfuscator
Playstation 3 .PRX .SPRX Obfuscation CEX/DEX/HEN
Macros for compile time String obfuscations