Is there a GUI version for nmap that can be installed without manually downloading the program?
I don't have a problem with doing so, but it would be nice if there is one available in the repositories, or by adding a repo.
You can use
Here is its website I think it is the official GUI as the site is
If you don't like that one try
This one did not have its own website, here is its source forge page
Finally there is
Again no website, but here is its launchpad page
There are at least two more available, including a python one and a web interface but this is getting a bit long, to find them yourself, run this command