What about https://gnustep.github.io/ https://gnustep.github.io/ ? edit: GNUstep provides the foundations for a portable desktop environment, but delegates thi

What about https://gnustep.github.io/ https://gnustep.github.io/ ? edit: GNUstep provides the foundations for a portable desktop environment, but delegates this task to other projects, like: - The GNUstep Application Project: http://www.nongnu.org/gap/ http://www.nongnu.org/gap/ - NEXTSPACE: https://github.com/trunkmaster/nextspace https://github.com/trunkmaster/nextspace - Etoile: http://www.etoile-project.org/ http://www.etoile-project.org/