CoovaChilli is an open-source software access controller for captive portal (UAM) and 802.1X access provisioning, based on the popular (but now defunct) ChilliSpot project, and is actively maintained by an original ChilliSpot contributor.
OPNsense is an open source,
easy-to-use and easy-to-build FreeBSD based firewall and routing platform.
OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases. It brings the rich feature set of commercial offerings with the benefits of open and verifiable sources.
Kanet have been wrote in Metz University to provide wireless access to students, guest, … Kanet is based on Netfilter's lib from kernel, it allows to control connections via the “QUEUE”. Kanet should be used as a firewall with black or white list or as a captive portal.
Ciphered and Authenticated Network Services Access System (CANSAS), in its 2.0 incarnation, provides a lightweight authentication mechanism to users connected to an open wireless network, and is usuall deployed as a WiFi hotspot running the GNU/Linux operating system.
The second release of the
... [More] system is more focused on wireless network access, providing distributed solution for authentication which can be embedded on resource-limited hotspots, while authentication is done against a centralized service.
CANSAS 2.0 reuses the WifiDog gateway daemon and uses its own authentication and captive portal implementation, named WRATH. [Less]