1. wu-decimal
    Wu-Decimal is a decimal number package developed by Wukix, available under a BSD license
  2. WuWei
    WuWei is a toolkit for building Ajax web pages and web sites in Common Lisp
  3. wxCL
    wxCL is a set of CFFI bindings for the wxWidgets GUI library
  4. X-Chat Common Lisp Plugin
    The X-Chat Common Lisp plugin is a plugin for X-Chat version 2 and up (the famous IRC client) that allows you to use Common Lisp scripts to control X-Chat behaviour
  5. x-html-template
    x-html-template is a HTML template library, forked from Edi Weitz's HTML-TEMPLATE and mostly compatible with it
  6. X.FDATATYPES
    XFDATATYPES implements 3 functional data structures:
  7. X.LET-STAR
    X LET-STAR is a convenience library not unlike bind, but smaller, extendible, nicely written and bug-free (hopefully :)
  8. X11
    X11 stands for 'X Window System, Version 11'
  9. xarray
    This package implements a generalized interface for array-like
  10. XCL
    XCL is a Common lisp implementation featuring a kernel written in C++ and an optimizing compiler with backends for x86 and x86-64