Grunteon is the third generation of Grunt obfuscator. A JVM bytecode obfuscator written in kotlin.
This project is under development starting from November 2025.
Feel free to join our Discord server for suggestions: https://discord.gg/ysB2fMfeYW
- Resource management
- Programmable config system
- Programmable process pipeline
- Class hierarchy and phantom class
- Renamers and optimizers
- String and number encryption
- Redirect and anti-static analysis
- Control-flow obfuscation
- Miscellaneous obfuscation
Grunteon is a free and open source software licensed under PolyForm Strict License 1.0.0
The license of each Grunt version：
| Generation | Versions | Aim of obfuscation | License | Commercial Use |
|---|---|---|---|---|
| Grunt | 1.0.0-1.5.x | Lightweight and stability | MIT | Allowed |
| Gruntpocalypse | 2.0.0-2.5.x | Diversity and intensity | LGPL3 | Restricted |
| Grunteon | 3.0.0- | Programmable and controllable | PFSL1 | Prohibited |