This is an SASL client library for Common Lisp, currently supporting the PLAIN, DIGEST-MD5 and ANONYMOUS mechanisms. It is available under a BSD-style licence.
Use asdf-install: (asdf-install:install :cl-sasl)
Or get the tarball: cl-sasl_0.3.tar.gz
Or use GNU Arch:
tla register-archive http://www.dtek.chalmers.se/~henoch/archive-2005 tla get mange@freemail.hu--2005/cl-sasl--devo--0.1 cl-sasl
Substitute "baz" for "tla" if that's the client you use.
See the README file.