1. data structure
    Various data structures
  2. data-lens
    This library provides a language for expressing data manipulations as the composition of more primitive operations
  3. data-table
    data-table is a library providing a data structure that has rows of data and column names and types (ie database results)
  4. Database
    Database-related software; RDBMS glue, OO databases, etc
  5. database-migrations
    database-migrations is a library for handling relational (SQL) schema changes and versioning, much like Ruby on Rails migrations
  6. Dataflow
    cells - cells is a dataflow extension to CLOS (think spreadsheet-type programming, with slots being spreadsheet cells) by Kenny Tilton cl-flow - Asynchronous non-blocking concurrency in Common Lisp, similar to what green threads are for CL-REACTIVE - Reactive programming at the variable/function level for Common Lisp computed-class - A class metaobject for computed slot values and more gecol - gecol provides bindings to GECODE in order to enjoy constraint programming in Lisp
  7. datafly
    A lightweight database library for Common Lisp
  8. DataMiningTools Lisp slides
    DataMiningTools is an online education company that has produced a set of freely-viewable introductory slides on Common Lisp:
  9. Date-Calc
    Date-Calc aims to be a port of the Perl Date::Calc time-handling library
  10. Datoura
    The "Data Touring Machine" is a small, simple and powerful data analysis and plotting application, that generates postscript output