There are 2 repositories under nethunter-rootless topic.
The most powerful security toolkit for Android: without rooting your device. Run security tools like Nmap, Metasploit, and Wireshark on your Android device without voiding your warranty. Access a wide range of penetration testing tools and utilities, right from your Android phone or tablet.
This GitHub repository is designed to make it easy to install various types of Kali Linux desktop environments, including XFCE , KDE , GNOME and more, within the Termux app using prooot-distro utility
Install Kali NetHunter in Termux
Script that adds tools to the basic Kali nethunter easily and securely. Each update will have more tools.
single code to install nethunter rootless in termux