echinus is a lightweight window manager for X based on dwm's source code. It manages windows in tiled, maximized, and floating layouts. It is extremely small, rather fast, and supports Xft. It features nice titlebars, multiple desktops, theming support, a simple configuration file, the ability to switch desktops with the mouse wheel, X bitmaps for title buttons, and true transparency support (through xcompmgr). There is no need to recompile or restart X to change its configuration.
Toorox is a Linux live DVD based on Gentoo which starts as bootable media using KNOPPIX technology. It is designed for ease of use, with a simple control center and a hard disk installer. It contains many applications and uses KDE, GNOME, or XFCE as a working environment. A live USB pen drive image maker is also present on the desktop. It is multi-lingual and contains the unstable branch of Gentoo (x86 and amd64).
fpcbol is a desktop user interface written for children and people who want simplicity and speed. It is designed to be as beautiful and simple as possible. It has no menus, just icons to click. It features parental control for children. It has been tested successfully on Debian, Mandriva, and Gentoo. It works well on computers with low system resources (such as a 500Mhz Pentium). 3D acceleration is necessary for the optional transparency feature.
GNOME Clipboard Manager (GCM) makes copying and pasting easier and more productive. It will automatically synchronize the mouse selection (the primary selection) with the clipboard (the clipboard selection) and store the contents of the clipboard, making it possible to go back to a previous clipboard. You can save and load clipboards, edit them, and convert them to another format.
Allin1 is a little dock applet for FluxBox and similar window managers. It monitors CPU load with a moving graph, memory and swap usage with histograms, battery and power status with histogram and icons, ethernet/PPP interfaces with icons and histograms (linear or logaritmic), filesystem space, and Seti@home progress.
WMI is a lightweight window manager for X11 which attempts to combine the best features of larswm, ion, evilwm, and ratpoison into one window manager. It supports both the conventional way of managing windows in a overlapping manner and the screen-alike way of managing windows in a non-overlapping fashion.