Firewall Builder
不同平台下面的firewall GUI构件导向. Currently implemented compilers for iptables, ipfilter, OpenBSD pf, ipfw and Cisco PIX．
http://sourceforge.net/projects/fwbuilder/
OpenVPN
OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single TCP/UDP port.
http://sourceforge.net/projects/openvpn/
Wine
Wine is an Open Source implementation of the Windows API on top of X and Unix. Wine provides both a development toolkit for porting Windows sources to Unix and a program loader, allowing many unmodified Windows binaries to run on x86-based Unixes.
http://sourceforge.net/projects/wine/
PhpWiki
PhpWiki is a WikiWikiWeb clone in PHP. A WikiWikiWeb is a site where anyone can edit the pages through an HTML form. Multiple storage backends, dynamic hyperlinking, themeable, scriptable by plugins, full authentication, ACL's.