1091. debugging
      Advice and tools for debugging Lisp code
1092. decaf
      Decaf is an Java debugger GUI written in Lisp using CLIM
1093. DECIMAL-NUMBER
      This is one of the hypothetical Common Lisp Utilities
1094. Decimals
      A decimal number parser and formatting package for Common Lisp
1095. decisiontree
      This package provides an implementation of an algorithm that creates a decision tree
1096. Declt
      Declt (pronounce "dec'let") is a reference manual generator for
1097. deeds
      Deeds is an Extensible Event Delivery System
1098. DeepSpace1
      From Wikipedia, the free encyclopedia
1099. defclass*
      defclass* is a convenience library to make the usage of defclass-like constructs easier (defcondition*, deflayer*, etc)
1100. defclass-std
      A shortcut macro to write DEFCLASS forms quickly

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