Free Fing Alternatives for Linux
Fing is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The most popular Linux alternative is 
Nmap, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Fing and 12 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Fing are 
Angry IP Scanner (Free, Open Source), 
Zenmap (Free, Open Source), 
mtr (Free, Open Source) and 
MASSCAN (Free, Open Source).
- Rumble is a network discovery platform that enumerates the network topology, identifies devices, and creates an asset inventory. Rumble runs discovery scans via a locally installed agent or using the standalone Rumble Scanner on the command-line. View 33 alternatives to Rumble Network Discovery