Powerbox for Gtk is a patch to Gtk which replaces its GtkFileChooserDialog.
Okey Dokey Pro will automatically press the default button of any dialog box
Upgrade Windows Explorer, Total Commander and Dialog boxes. Enable you to use the right-click menu to access the entire file system. Change the current folder, open folder in external file manager(new), open file, copy and move operations.
ChooseColor Development Kit is an extensible component/dialog box for Win32 platforms that provide comprehensive solution for your modern user interface needs.