Here are the data structures with brief descriptions:

botBlock
controlPanel
crud
field
fileManager
groupTree
iana
iBaseLogin
imaging
iPHPDS_dbConnector
mailer
menuArray
menuStructure
orm
pagination
PHPDS
PHPDS_array
PHPDS_backtrace
PHPDS_classFactory
PHPDS_controller
PHPDS_core
PHPDS_databaseException
PHPDS_db
PHPDS_debug
PHPDS_dependant
PHPDS_errorHandler
PHPDS_exception
PHPDS_fatalError
PHPDS_legacyConnector
PHPDS_login
PHPDS_navigation
PHPDS_notif
PHPDS_pageException404
PHPDS_pageException418
PHPDS_pdoConnector
PHPDS_query
PHPDS_security
PHPDS_securityException
PHPDS_securityException403
PHPDS_sprintfnException
PHPDS_tagger
PHPDS_template
PHPDS_user
pluginManager
StandardLogin
timeZone
userActions
userPending
views
wysiwygEditor