Summary: zulcrypt is a GUI to make managing/creating LUKS containers easy. The version in Stretch has some problems that prevent it from working correctly. We can always add it later when these problems are fixed.
Testing thread: https://forums.whonix.org/t/zulucrypt-in-whonix-14/4876
Tomb is the pioneer of portable LUKS containers on Linux. See if they are a better experience when Buster rolls around.
- https://github.com/Whonix/anon-meta-packages/blob/master/debian/control
- belongs to non-qubes-vm-enhancements-gui