Welcome

Kali Linux is a Debian-based Linux distribution aimed at advanced Penetration Testing and Security Auditing. 

GitHub is a Git repository hosting service, but it adds many of its own features. While Git is a command line tool, GitHub provides a Web-based graphical interface.

You can edit the github program and modify as your needs but it depends that you use it for educational purpose

You can get any types of hacking tools from github made from multiple computer languages like java,python and so on.

Social engineering is the art of exploiting human psychology, rather than technical hacking techniques, to gain access to buildings, systems or data.

Termux is an Android terminal emulator and Linux environment app that works directly with no rooting or setup required.