1881. markdown.cl
      markdown.cl is a markdown parsing library for Common Lisp
1882. MarkHoemmen
      MarkHoemmen is a Person who is currently a PhD candidate at the University of California Berkeley
1883. Markup
      Markup is an HTML generator, where instead of encoding HTML as lisp sexps, you can write HTML directly in lisp code
1884. Markus Fix
      Markus Fix, an instance of class Person, grew up in Africa
1885. Martin Atzmueller
      Martin Atzmueller is a Person
1886. Martin Dengler
      Martin Dengler is a python programmer in London
1887. MartySchrader
      Just a curious visitor
1888. Mason Smith
      I, Mason Smith, am a person
1889. Massimiliano Campagnoli
      I am currently re-implementing in Lisp the C++ ERP application used in the company I work for
1890. math-extensions
      Additional numerical classes (quaternions, intervals, etc.) for Common Lisp

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