Unfortunately, Dylan has a pretty steep learning curve for people used
to C and C++. (Java experience helps quite a bit, though.) Dylan’s not
particularly hard, but several of the concepts require “unlearning” various
ways of designing object-oriented programs.

Gwydion Introduction: progress4
Dylan for Advanced C++ Programmers: progress9
Gwydion Reference cleanup: progress9

We’ll put more documentation online as people express interest and we
clean it up.