1051. Darwin
      The open source part of MacOS X
1052. data format
      Anything to do with data formats
1053. Data formats
      Anything to do with various file and data formats
1054. data structure
      Various data structures
1055. data-lens
      This library provides a language for expressing data manipulations as the composition of more primitive operations
1056. data-table
      data-table is a library providing a data structure that has rows of data and column names and types (ie database results)
1057. Database
      Database-related software; RDBMS glue, OO databases, etc
1058. database-migrations
      database-migrations is a library for handling relational (SQL) schema changes and versioning, much like Ruby on Rails migrations
1059. 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
1060. datafly
      A lightweight database library for Common Lisp

CLiki the common lisp wiki