LinSSID is a graphical and functional wifi scanner for Ubuntu Linux, which is similar to iwscanner and Inssider. It is written from scratch entirely in C++ using Linux wireless tools and Qt4.
LinSSID can be downloaded from sourceforge .
Navigate to the location of the .deb and install it by right click > open with > Gdebi Packager Installer .
After installation LinSSID can be opened from Unity Dash .
Angry IP Scanner (or simply ipscan) is an open-source and cross-platform networkscanner designed to be fast and simple to use. It scans IP addresses and ports as well as has many other features. In order to install Angry IPScanner we need to download the .deb file from here. Locate the downloaded .deb and install it by right click > Open With > Gdebi Package Installer.