Here is a list of all documented namespaces with brief descriptions:

[detail level 1234567]

Apache
Avro
bluespice
BlueSpice
BlueSpice_AdapterMW
Bluespice_Core
BlueSpice_Core
BlueSpice_Credits
BlueSpice_Diagnostics
BlueSpice_Distribution
BlueSpice_Distrubution
Bluespice_Extensions
BlueSpice_Extensions
BlueSpice_Foundation
Bluespice_Foundation
BlueSpice_InterWikiLinks
BlueSpice_PageAccess
Bluespice_pro
BlueSpice_pro
BlueSpice_Reminder
BlueSpiceBookmaker
BlueSpiceCanvas3DTagCloud
BlueSpiceExportTables
BluespiceExportTables
BlueSpiceExtensions
BlueSpiceFoundation
BlueSpiceHelpfulComment
BlueSpicePasteImage
BlueSpicePlayer
BlueSpiceRatedComments
BlueSpiceRating
BlueSpiceServiceCenter
BlueSpiceTagCloud
BluespiceTagCloud
BlueSpiceTeamwork
BluespiceTeamwork
BluespiceWebDAV
BlueSpiceWikiExplorer
BluespiceWikiExplorer
BS
UsageTracker
Jobs
CacheResource
Composer
Installers
DPL
DynamicPageList3
EmbedVideo
Example
HitCounters
JAMA
JsonSchema
Uri
Retrievers
Less
LightnCandy
MediaWiki
Widget
PHP_CodeSniffer
PHP_CodeSniffer_MySource
PHP_TokenStream
phpDocumentor
Reflection
DocBlock
Tags
Factory
Formatter
Reference
Types
PHPExcel
PHPExcel_CachedObjectStorage
PHPExcel_Calculation
PHPExcel_Cell
PHPExcel_Chart
PHPExcel_Chart_Renderer
PHPExcel_Reader
PHPExcel_Reader_Excel2007
PHPExcel_Reader_Excel5
PHPExcel_RichText
PHPExcel_Settings
PHPExcel_Shared
PHPExcel_Shared_Escher
PHPExcel_Shared_OLE
PHPExcel_Shared_Trend
PHPExcel_Shared_ZipArchive
PHPExcel_Style
PHPExcel_Worksheet
PHPExcel_Worksheet_Drawing
PHPExcel_Writer
PHPExcel_Writer_2007
PHPExcel_Writer_CSV
PHPExcel_Writer_Excel2007
PHPExcel_Writer_Excel5
PHPExcel_Writer_HTML
PHPExcel_Writer_PDF
ReplaceText
Resource
simplejson
decoder
encoder
scanner
Smarty
Solarium
Tests
Core
Client
Adapter
Event
Plugin
Query
Result
Plugin
BufferedAdd
Event
CustomizeRequest
Loadbalancer
Event
MinimumScoreFilter
ParallelExecution
QueryType
Analysis
Query
RequestBuilder
ResponseParser
Result
Extract
MoreLikeThis
Ping
RealtimeGet
Select
Query
Component
Facet
Highlighting
Stats
RequestBuilder
Component
ResponseParser
Component
Result
Debug
Facet
Pivot
Grouping
Highlighting
MoreLikeThis
Spellcheck
Stats
Suggester
Result
Terms
Update
Query
Command
Document
SRF
Filtered
Tree
Node
Test
Visitor
Visitor
UEModulePDFSubpages
Wikimedia
Composer
Merge