Map your Cisco Catalyst switchports with Switch Miner. Switch Miner is a lightweight command line tool for Windows that queries Cisco switches using SNMP to discover the devices that are connected to the switchports.
Category: OpenSource
Untangle – The Opensource Network Gateway
Untangle is the free & open source alternative to Sonicwall. In addition to the basics (Firewall, VPN, IPS & routing), Untangle makes it easier to block spam, spyware, viruses, phishing, porn, gambling, MySpace, Facebook, IM, peer-2-peer & much, much more. Untangle has been named the "Best Security Solution" – LinuxWorld 2007
OpenVPN – OpenSource SSL VPN Solution
OpenVPN is a full-featured SSL VPN solution which can accomodate a wide range of configurations, including VPN client remote access, site-to-site VPN, WiFi security, and enterprise-scale remote access solutions with load balancing, failover, and fine-grained access-controls.
CoovaChilli – Opensource Software Access Controller
CoovaChilli is an open-source software access controller, based on the popular ChilliSpot project. CoovaChilli is the continuation of the great work of the ChilliSpot project. It is a feature rich software access controller that provides a captive portal / walled-garden environment and uses RADIUS for access provisioning.
CoovaChilli is an integral part of the CoovaAP OpenWRT-based firmware which is specialized for hotspots.

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CoovaAP – Turn your Wireless Router into a hotspot
CoovaAP is an OpenWRT-based firmware designed especially for HotSpots. It comes with the CoovaChilli access controller built-in and makes it easily configurable. CoovaAP is perfect for just about any HotSpot application – from WPA Enterprise (with RADIUS accounting) to Free WiFi with Terms of Service acknowledgment to commercial HotSpot captive portal applications. Use the embedded captive portal for a simple self contained HotSpot or use your own captive portal and RADIUS back-end.
PacketProtector – Turn your Router into a Universal Threat Management Device (UTM)
PacketProtector is a Linux distribution for wireless routers, built on top of OpenWrt. The goal of this project is to transform the router into a unified threat management (UTM) device.
All you need is a Linksys WRTSL54GS or ASUS WL-500g (Deluxe or Premium) router, and a USB 2.0 drive with atleast 100MB free space.
