BitRock InstallBuilder allows you to create easy-to-use multiplatform installers for Linux (x86/PPC/s390/x86_64/Itanium), Windows, Mac OS X, FreeBSD, OpenBSD, Solaris (x86/Sparc), IRIX, AIX, and HP-UX applications. The generated application installers have a native look-and-feel and no external dependencies, and can be run in GUI, text, and unattended modes. In addition to self-contained installers, the installation tool is also able to generate standalone RPM packages.
KDocker is a program that helps you to dock any application in the system tray. Very few applications have docking capabilities, and even if they do, sometimes they are specific to desktops such as GNOME or KDE. This makes it possible to dock OpenOffice.org, XMMS, Firefox, Thunderbird, and other programs and works for KDE, GNOME, XFCE, and probably many other environments.
Preferences Hide and Seek is a utility that groups together all the options that actually exist for GNOME preferences, but are usually hard to find or are just plain hidden from the user. This utility makes it possible to create a simple data file to expose gconf-based options to the user. It was created to allow usable access to the hidden application options buried within gconf.
gPodder is a Podcast receiver/catcher written in Python and pyGTK. It manages podcast feeds for you, and automatically downloads all podcasts from as many feeds as you like. If you are interested in Podcast feeds, simply put the feed URLs into gPodder and it will download all episodes for you automatically. If there is a new episode, it will get it for you. It supports download resume, if the server supports it.
iswitchwin lets you easily switch between windows on your workspaces by typing (part of) the caption of the desired window. It was inspired by iswitch-window.jl, which was originally written by Topi Paavola for the Sawfish window manager. iswitchwin uses libwnck to control your window manager and has been primarily written for Metacity and the GNOME environment. It should work with any window manager that is compatibile with EWMH.