/usr/bin/genpref-experimental
/usr/bin/icehelp-experimental
/usr/bin/icesh-experimental
/usr/bin/icesound-experimental
/usr/bin/icewmbg-experimental
/usr/bin/icewm-experimental
/usr/bin/icewmhint-experimental
/usr/bin/icewm-session-experimental
/usr/bin/icewmtray-experimental
You may install this package on Debian with
apt-get
install icewm-experimental