RottenWifi - Rotten WiFi is public wifi and 3G Watchdog.
NetBox - NetBox is an open source web application designed to help manage and document computer networks. NetBox was developed specifically to address the needs of network and infrastructure engineers.
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).
Gestioip - GestióIP is an automated, Web based IP address management (IPAM) software.
Infoblox DDI - Infoblox’s industry leading integrated, centrally managed approach to delivering enterprise-grade DNS, DHCP, and IP address management (DDI) supports current and evolving IT needs.