.net/SSL-CMUCL">SSL-CMUCL</a>.  The
      original SSL-CMUCL source code was written by Eric Marsden and
      includes contributions by Jochen Schmidt. Development into CL+SSL
      was done by David Lichteblau.  License: MIT-style.
    </p>

    <p>
      Distinguishing features: CL+SSL is portable code based on CFFI and
      gray streams.  It defines its own libssl BIO method, so that SSL
      I/O can be written over portable Lisp streams instead of bypassing
      the streams and sending data over Uni