[...] DockbarX is a taskbar with grouping and group manipulation for Linux.
After we've seen a Chrome-like theme for Gnome, now it's time for a Wave GTK theme which is inspired by the new Google Wave interface and comes with two metacity themes: default and rounded.
Based on the Ubuntu Sun concept and New Wave, Narfss has created a Gnome theme for which the titlebar (Metacity only) changes automatically depending on the time of day (dawn, noon, evening and night).
GtkPerf is an application designed to test GTK+ performance. The point is to create common testing platform to run predefined GTK+ widgets (opening comboboxes, toggling buttons, scrolling text etc.) and this way define the speed of device/platform.
Perfection Window Decoration:
3. Karmic X
Epidermis theme manager is an open source GTK application for managing, automatically downloading and installing themes of various types, in order to transform the look of your Ubuntu desktop, from the moment you turn it on until the moment you turn it off.
There have been proposed quite a few themes for Ubuntu Karmic Koala 9.10 and if you want to install them all in Ubuntu Jaunty for instance, you can just do:
Moon Buggy Alpha runs on Jaunty using the murrine engine 0.90.3. Optionally for increased contrast and definition use the included "gnome color chooser" theme file .gnomecc.
GTK 2.x theme
If you don't know how to install Emerald themes, visit our Ubuntu Newbie Guide, Part 6 which covers this subject.
To install a GDM theme in Ubuntu, simply go to System > Administration > Login Window and select the tab called "Local".
Gnome-Art Next Generation is the successor of Gnome-Art and lets you change your Gnome-themes (icon-, wallpaper-, splash-,...-themes) with one click. It is in an early stage and under development but it looks very promising already.
See them all here.
Gnome Art is an art website which allows you to download and install various items such as icons, backgrounds, desktop themes, login window theme and gtk engine. This website comes with a very interesting application which is in the Ubuntu repositories. If you want to install it, run this in a terminal: