MODxFLAT-Theme http://www.tattoocms.it/manager-templates/modxflat-evolution-manager-theme.html
MODxFLAT with Custom Welcome Dashboard plugin: https://github.com/Nicola1971/OnManagerWelcomeCustom-plugin
MODxFLAT with Color Skins https://github.com/Nicola1971/MODxFLAT-Colors