What is Metasploit? Their Uses?

Hy Friends,
What's going on?
I hope you all are fine.Today, I am going to tell you about Metasploit. What is Metasploit? It's Uses?

Metasploit is a computer security project that is developed by Rapid LLC Company. It's stable releasing date is 24 February, 2017. It's founder name is H. D. Moore. It's official website is www.metasploit.com. It is pre-installed available in Kali Linux Operating System.

It is used to eases the effort to exploit known vulnerabilities in networks, operating systems and applications, and to develop new exploits for new or for unknown vulnerabilities. It is used by pentensters and cyber-security specialist. Some people Do illegal things in it. For example, They send a payload to any system of their relatives or friends for the purpose of harming them.

At last, I want to say that don't misuse these tools. Always Stay Legal!!!

I think your doubts about Metasploit is clear.

Waiting For Your Opinions,
Thank You,
@ali1357