Sophos Endpoint Protection helps secure your workstation by adding prevention, detection, and response technology on top of your operating system.
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.
openNAC is an opensource Network Access Control for corporate LAN / WAN environments. It enables authentication, authorization and audit policy-based all access to network.
Cisco NAC Appliance, formerly known as Cisco Clean Access, is a network admission control (NAC) system developed by Cisco Systems designed to produce a secure and clean network environment.