A fast PPTP proxy for any BSD with OpenBSD packet filter installed. It handles multiple transparent bi-directional tunnels, and can be chained from one proxy to another over several servers.
Virtual Qmail - virtual domains management system for qmail. It is designed to be fast, reliable, and easy to use. Includes software allowing users to manage their accounts via WWW.
An easy-to-use, self-configuring OpenBSD-based firewall with a web interface.
DaemonWall is an OpenBSD-based network security live CD which can act as an Internet firewall/gateway.
IMPORTANT -- This is an old project that is no longer supported and should not be relied upon for serious applications. If your looking for encryption software, I suggest OpenSSL or GnuPG which are better equipped.
Wamboli allows secure systems administration via a web browser.
PortUp is a ports tree updating tool for OpenBSD. It's goal is to easily keep the ports tree and installed packages up-to-date on an OpenBSD box.
psDooM is a process monitor and manager for *nix systems. It could be considered a graphical interface to the 'ps', 'renice', and 'kill' commands. psDooM is based on XDoom, which is based on id Software's 'Doom'.
Firefly BBS is a high powered, fully scalable, and highly customizable Open Source bulletin board package. Firefly BBS runs on MySQL.Firefly BBS is the ideal free community solution for all web sites.