1. Debian
    Debian GNU/Linux is a non-commercial Linux-distribution which is very popular with developers, and has CMUCL packages which are frequently updated
  2. Debian Package
    Topic marker for Debian packages on CLiki
  3. DebianIRC
    Drop by Debian IRC (irc.debian.org) channel #lisp some time
  4. debugging
    Advice and tools for debugging Lisp code
  5. decaf
    Decaf is an Java debugger GUI written in Lisp using CLIM
  6. DECIMAL-NUMBER
    This is one of the hypothetical Common Lisp Utilities
  7. Decimals
    A decimal number parser and formatting package for Common Lisp
  8. decisiontree
    This package provides an implementation of an algorithm that creates a decision tree
  9. Declt
    Declt (pronounce "dec'let") is a reference manual generator for
  10. deeds
    Deeds is an Extensible Event Delivery System