ClarkConnect is a powerful yet easy-to-use server/gateway software solution designed for the small/medium-sized organization. The software provides all the necessary server tools to run an organization: email, antivirus, antispam, file sharing, groupware, VPN, firewall, intrusion detection/prevention, content filtering, bandwidth management, multi-WAN and more.
Coyote Linux is a mini distribution designed for setting up network utility services such as Internet connection sharing, firewalling, or wireless access points. The goal is to make it as quick and easy as possible to set up a Linux system with only a minimal amount of Linux knowledge.
DAXFi is a Python script that helps configure several different kinds of firewalls in a consistent way. It can run as daemon to adapt its behavior to external conditions; rules can be described with XML files, XML strings, or generated directly by the code; the program can be configured and extended with a sort of plug-ins written in Python. It comes with a Python package, useful to build other applications aimed to manipulate different firewalls in a uniform way (some example programs are included).
DD-WRT is an alternative firmware for the Linksys WRT54G/GS/GL and the Asus WL-500 deluxe 802.11g wireless routers. It was originally based on the Alchemy Firmware from Sveasoft Inc., which is in turn based on the original GPL'd Linksys Firmware and a number of other open source projects. It offers many advanced features not found in the original Linksys firmware, or even the firmware available for purchase from Sveasoft. It is also free of the product activation or tracking found in the Sveasoft firmware.