Exegol is an alternative to Kali Linux, Parrot, BlackArch, ...
It provides all the right tools, advanced customization, in docker environments, providing a Python wrapper to use it very easily, and leaving room for user custom setup.
It's the best hacking environment for professionals. It support various OSes (Linux, Windows, macOS) and architectures (AMD64, ARM64), is community-driven, and trusted by 15k+ users worldwide.
https://exegol.readthedocs.io/