4 links
A Practical Subtyping System For Erlang
homepages.inf.ed.ac.uk
Wadler's type system for Erlang developed at Glasgow University with Simon Marlow.
Erlang QuickCheck
cs.chalmers.se
Erlang/QuickCheck is a library for random testing of Erlang programs against specifications.
Safer Erlang
unsw.adfa.edu.au
A research project focussed on the design and prototyping of a secure and safe mobile code execution environment in Erlang.