icewm-experimental binary package in Ubuntu Trusty powerpc

 IceWm is a Window Manager for X Window System. It is fast and
 memory-efficient, and it provides many different looks including Windows'95,
 OS/2 Warp 3,4, Motif. It tries to take the best features of the above
 systems. Additional features include multiple workspaces, opaque move/resize,
 task bar, window list, mailbox status, digital clock.
 .
 This package sometimes provides special IceWm versions with experimental
 features enabled. When the configurations of the packages do not diverge
 it simply enforces an upgrade to the current icewm package.

Source package