Arcai.com started software development servicve since 1999. products includes NetCut.
Arcai.com is the very first one discover ARP weakness, netcut for windows was released in 2001 in a small group of users. And publish it to Microsoft/Cisco/Sun/IBM. Also IEEF. Through no response from the industry owner of ARP. arcai.com released the tool that help detect and protect from ARP spoofing attack. It has been running for over 14 years since first release.
At 2015 , netcut for android been released.
Arcai.com is still continue to support/develop new feature to service the public.