Lisp Plus Plus Welcome to the home of William Paul Vrotney's Lpp! Download Lpp Lpp 1.21.2 is now available for download. Lpp 1.21 is now available for download. Lpp 1.19 is now available for download. Please see the copyright under which this software is covered. Lpp Documentation Lpp documentation is available in HTML and PDF. About Lpp Lpp (Lisp Plus Plus), is a library of Lisp like functions an