1. A polymorphic language being developed by Stephen Crawley of Defence Science & Tech Org, Australia.Alex has abstract data types, {type inference} and {inheritance}.2. An ISWIM-like language with {exception handling}.["An Exception Handling Construct for Functional Languages", M. Brez et al, in Proc ESOP88, LNCS 300, Springer 1988].3. A scanner generator.Alexis is its input language.["Alex: A Simple and Efficient Scanner Generator", H. Mossenbock, SIGPLAN Notices 21(5), May 1986].(1994-12-15)