DynaFabric is an SSH-based command dispatching and systems management framework, designed for easy implementation on existing networks. It allows you to configure SSH key based authentication and centrally dispatch commands, manage installed software, maintain services, and enforce policies across your systems. It is designed to be platform agnostic; support is being developed for FreeBSD, OpenBSD, NetBSD RHEL/CentOS, Ubuntu, Solaris 10, Solaris 11, and Illumos.
The Shrew Soft VPN Client for Unix is a free IPsec Client for FreeBSD, NetBSD, and Linux based operating systems. It can be used to communicate with systems running ipsec-tools. The Unix client utilizes the IPsec kernel support included with the operating system, and comes with the complete Internet Key Exchange daemon and client front end application source code. A Windows version is also available.
Chiron FS is a FUSE based filesystem that implements replication at the filesystem level like RAID 1 does at the device level. The replicated filesystem may be of any kind you want; the only requisite is that you mount it. There is no need for special configuration files; the setup is as simple as one mount command (or one line in fstab).
OpenDD is a DynDNS client, written in C, and especially designed for small gateway machines, like a Soekris box. Its main feature is that it does not require any Perl or Python interpreter. It supports HTTPS, can send a mail report, and can run as daemon. It is also very easy to deploy.
NeedSecure is program that makes it possible for system administrators and Web masters to protect member areas with passwords. It supports allowing and denying access to any protected directory for all members or for every member individually, recursive password protection, three levels of administration, extended member profiles with additional fields, limited and unlimited member accounts, language files and email templates that can be edited from an admin panel, optional activation codes, UTF-8 encoding support, statistics, and more.
Paco (pacKAGE oRGANIZER) is a simple, yet powerful tool to aid package management when installing programs from source code. It uses the LD_PRELOAD method to track package installations, and provides various options to keep the installed software organized. It's mainly a command line application but it has also an optional GTKMM interface.
MFilter is a replacement for maildrop/procmail and fetchmail/getmail. It is an email retriever that supports Maildir or command delivery and processing. Its secondary goal is to facilitate the life of the network administrator by centralizing the downloading, filtering, and classification of mail in a simple and flexible way. Some of its features include XML file based configuration and logging of each action taken.
rsyncbackup is a handy tool for scheduled backups using rsync. rsyncbackup lets you easily setup multiple source folders and destinations, both locally, on your iPod or external firewire disk, or at a remote destination using ssh. rsyncbackup has no GUI, but is based on editing configuration files. The script is meant to be run in a crontab, so user interaction is not neccesary. Basic terminal skills are required to use the program.