This tutorial explains how to install Hamachi on a Fedora 9 server. Hamachi is a VPN service that easily sets up in 10 minutes, and enables secure remote access to your business network, anywhere there's an Internet connection.

flimp is a generic graphical frontend to the many excellent command line image manipulation tools available. It allows you to create pipelines of commands that read from standard input and write to standard output.

Giggle is a graphical frontend for the git content tracker (think of gitk on GTK+).

ufw, the Uncomplicated FireWall, is Ubuntu’s user-friendly, command line frontend to IPTables, the command line utility for managing Netfilter, the firewall application built into the Linux kernel. It is installed not just on Ubuntu, but also on all Ubuntu-based distributions. As simple to use as ufw is, a graphical interface is even better, especially for new users.

So, after trying out winff, the graphical frontend for ffmpeg, I kept looking for more such tools and found the "Transmageddon Transcoder".

If you need an archiving program that can run under both Windows and Linux, sport a graphical interface, and be licensed as open source software, only a single program will do: PeaZip. It acts as a graphical front end for several tools that provide archiving, compression, encryption, and similar functions.

yes, you can shiver at the title: we have (are still, actually) done a new package management frontend. Why? Because KDE missed a great one.

After all the waiting, KDE finally has Ubuntu One frontend.

Gnome-Vlc is a new project designed to provide a simple GTK frontend to the popular Vlc player.