inSSIDer 2 is a free open source WiFi scanner that can be used on many operating systems. In this guide, we will see how to install inSSIDer on Ubuntu. inSSIDer 2 has the following features:
To install inSSIDer 2 on Ubuntu 11.04/10.10/10.04, download the appropriate deb package from this link (32/64-bit).
inSSIDer 2 screenshot: