/usr/bin/babel
/usr/bin/obabel
/usr/bin/obchiral
/usr/bin/obconformer
/usr/bin/obenergy
/usr/bin/obfit
/usr/bin/obgen
/usr/bin/obgrep
/usr/bin/obminimize
/usr/bin/obprobe
/usr/bin/obprop
/usr/bin/obrms
/usr/bin/obrotamer
/usr/bin/obrotate
/usr/bin/obspectrophore
You may install this package on Debian with
apt-get
install openbabel