users@concurrency.cc
If you just want to use Plumbing and occam-π to program your Arduino, start by joining us here. This is also a good place for the general discussion of process-oriented programming.
developers@concurrency.cc
If you want to follow the development of code for Plumbing, join this list. Contributors of all ages and experience levels welcome.
Need a Hand?
If you've got a question, post it to the appropriate mailing list and we'll help out and point you in the right direction.