Grunteon

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

Roadmap

• [ ] 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

License

Grunteon is a free and open source obfuscator framework licensed under Apache License 2.0

Yapyap is a grunt extension pack 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 | Apache2 | Allowed |

Stargazers over time