Cisco NAC Appliance!

PacketFence is a Free and Open Source network access control (NAC) system. PacketFence is actively maintained and has been deployed in numerous large-scale institutions over the past years. It can be used to effectively secure networks - from small to very large heterogeneous networks.

ThingsPage is for Small and medium networks having difficulty identifying and authenticating connected PCs as well as unmanaged devices such as personal mobile phones, tablets, and IoT devices in their BYOD offices.

openNAC is an opensource Network Access Control for corporate LAN / WAN environments. It enables authentication, authorization and audit policy-based all access to network. It supports diferent network vendors like Cisco, Alcatel, 3Com or Extreme Networks, and different clients like PCs with Windows or Linux, Mac,devices like smartphones and tablets.