It's the open source packages used in VMware Fusion, not the VMware Fusion.app itself.
As an example the VMware-fusion-open-source-502.tgz file contains the following packages:
at-spi-1.22.1.tgz gtk-engines-2.18.4.tgz
atk-1.22.0.tgz gtkmm-2.12.7.tgz
atk-1.30.0.tgz gtkmm-2.20.1.tgz
busybox-1.11.1.tgz iconv-1.9.2.tgz
cairo-1.6.4.tgz jansson-2.3.tgz
cairo-1.8.8.tgz libart_lgpl-2.3.17.tgz
cairomm-1.6.0.tgz libbonobo-2.22.0.tgz
cairomm-1.8.2.tgz libfuse-2.5.3.tgz
cpio-2.9.tgz libgksu-2.0.11-1.tgz
dosfstools-2.11.tgz libglade-2.6.0.tgz
e2fsprogs-1.39.tgz libgnomecanvas-2.14.0.tgz
e2fsprogs-1.40.11.tgz libgnomecanvasmm-2.16.0.tgz
gail-1.22.3.tgz libgtop-2.14.9.tgz
gawk-3.1.5.tgz libiconv-1.9.2.tgz
gcc-3.3.3.tgz libmspack-0.0.20040308alpha.tgz
gcc-4.1.2-4.tgz librsvg-2.16.0.tgz
gcc-4.1.2-7.tgz libsigc++-2.0.17-1.tgz
gettext-0.14.6.tgz libsigc++-2.2.9.tgz
gettext-0.17-1.tgz log4cpp-1.0.tgz
gettext-0.17.tgz ntfs-3g-1.516-1.tgz
gksu-2.0.0.tgz ntfsprogs-2.0.0_802226.tgz
glib-2.22.1-1.tgz ocaml-3.12.1.tgz
glib-2.22.4-1.tgz pango-1.20.5.tgz
glib-2.24.0.tgz pango-1.26.0.tgz
glibmm-2.16.4.tgz pangomm-2.26.0.tgz
glibmm-2.22.1-1.tgz procps-3.2.7-1.tgz
glibmm-2.22.1-3.tgz reiserfsprogs-3.6.19.tgz
glibmm-2.22.1.tgz sed-4.1.5.tgz
glibmm-2.24.0.tgz startup-notification-0.9.tgz
gnome-menus-2.30.2_802226.tgz tar-1.20.tgz
grub-0.97.tgz udev-135.tgz
gtk+-2.12.11.tgz util-linux-2.13_pre7.tgz
gtk+-2.20.0.tgz