CL-PDF is a cross-platform Common Lisp library for generating PDF files.
It does not need any third-party tools from Adobe or others.
It is used by cl-typesetting to provide a complete typesetting system.

>From the change log:

08 February 2004: Release 2.1
   Added auto-generated tarballs of the current repository version
   Added custom encodings.  [Thanks to Dmitri Ivanov]
   Fonts without font data. [Thanks to Dmitri Ivanov]
   Added a few with-standard-io-syntax so that the pdf are generated
         correctly when people change the printer settings.
   Added a :stacked-series option to the histograms.
   Changed zlib (again!) for dynamic loading of the library in delivered
applications.
   Added a *default-encoding* special variable.
   Added pdf meta information to documents.[Thanks to Eric Marsden]
   Corrected handling of the min/max-value in the charts.[Thanks to Eric
Marsden]
   Corrected pfb file loading.
   Font names are case insensitive now.
   Added improved code128 barcodes [Thanks to Lars Rustemeier].

The cl-pdf home page is here:
http://www.fractalconcept.com/asp/html/cl-pdf.html

Marc