I had a work-a-round for osxfuse not working https://toggen.com.au/it-tips/mac-osxfuseencfs-conflicts-with-vmware-fusion-7-1-2-so-try-safe-1-4 but http://www.getsafe.org no longer works since the update to MacOS Sierra

EncFS Password: 
the OSXFUSE file system is not available (23)
fuse failed.  Common problems:
 - fuse kernel module not installed (modprobe fuse)
 - invalid options -- see usage message

But if you totally exit VMWare Fusion (This is 8.5) it seems to unload it's modules and then you can run encfs....

If you have already run encfs and you can no longer run VMWare run this. Changing the version number to the correct one

# kill encfs
sudo killall encfs

sudo kextunload /Library/Filesystems/osxfuse.fs/Contents/Extensions/10.11/osxfuse.kext

# this is better
sudo kextunload -b com.github.osxfuse.filesystems.osxfuse

Another thing that may work if you have Virtualbox installed and it is using too many module slots you can try and remove it using the uninstall tool https://www.virtualbox.org/svn/vbox/trunk/src/VBox/Installer/darwin/DiskImage/VirtualBox_Uninstall.tool and that may also help. I uninstalled the old Virtual Box modules using the above script that were left even after I had uninstalled VirtualBox (deleted from the Applications folder) and after I ran this I could load both VMWare and encfs...