Hosts are represented as Nodes on interface and we can use controls to zoom in and zoom out. Zenmap’s “Topology” option provides an interactive, animated visualization of hosts connectivity. Zenmap analyses and displays the complete details related to hosts such as OS version, installed services, services status and uptime etc Zenmap installation on Debian, Ubuntu, and Linux Mint

Bit of learning curve to go from novice to power user.

Sometimes it does not identify operating system accurately.

Sometimes scanning takes more time than usual.

No option to change font style of output.

Allows to scan individual IP address, IP address ranges, and full subnets.

No need for a shell script to do common scan.

Zenmap command profiles make it easy to run same scan more than once.

Zenmap keeps track of scans until deleted.

Results of multiple scans can be combined together for review and it has the ability to show the difference between two scans and identify what has changed from previous scan to now on hosts and help to easily track new hosts or services appearing on networks and disappearing services. It arranges its display to show all ports on a host or all hosts running a specific service. Zenmap lets you create a topology map of discovered networks. It is a cross platform application available for Linux, Windows, and OS X. Results of scans can be saved to review later and can be compared with one another (results of scans are stored in a database). It has a command creator which lets interactive creation of Nmap command lines. It has advanced features for experienced users. It is a multi-platform, free and open source application which gives users a friendly interface.

Zenmap is an official NmapSecurity scanner GUI (graphical user interface).

What does zenmap do