iNet - Network Scanner - Explore your network !
BlueCat DDI - Unify your DDI (DNS, DHCP and IPAM) solutions to make DDI data an engine for innovation and growth.
Fing - Discover which devices are connected to any Wi-Fi network, map devices, detect intruders, assess...
ManageEngine OpUtils - ManageEngine OpUtils is an IP address and Switch port management software that includes a comprehensive set of 30+ tools that helps network engineers monitor, diagnose and troubleshoot their IT resources.
Angry IP Scanner - Open-source and cross-platform network scanner designed to be fast and simple to use
phpIPAM - phpipam is an open-source web IP address management application (IPAM).