What is Crustware?
1.
Ancient hardware or software especially that which was never particularly appealing even when new and is now devoid of any merit save its use as an example of obsolescence.
He fired up his old laptop and, behold, OS2/Warp struggled into life for the first time since 1994. This venerable piece of crustware filled the screen with its red and white startup screen proclaiming "All rights reserved". Ironic since nobody wanted it then and they sure as hell didn't want it now.
See