As this surfaced, I was chiefly impressed by
the fact that encfs was amenable to such a
by-and-by[0] audit: the code-base must be at least
somewhat legible.
This "auditability" seems to me a strength worth nurturing.
[0] Where "by-and-by" refers to the usual superhuman app-sec standards in which "10 hours" translate into actual, meaningful work.