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

[detail level 1234567]

ADDITIONAL
Avro
bluespice
BlueSpice
Social
Hook
UserCan
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
BlueSpiceAvatars
BlueSpiceBookmaker
BlueSpiceCanvas3DTagCloud
BlueSpiceExportTables
BluespiceExportTables
BlueSpiceExtensions
BlueSpiceFoundation
BlueSpiceGroupManager
BlueSpicePasteImage
BlueSpicePermissionManager
BlueSpicePlayer
BlueSpiceRating
BlueSpiceReaders
BlueSpiceServiceCenter
BlueSpiceSmartlist
BluespiceSocial
BlueSpiceSocial
BlueSpiceTagCloud
BluespiceTagCloud
BlueSpiceTeamwork
BluespiceTeamwork
BlueSpiceTopics
BlueSpiceUserPreferences
BluespiceWebDAV
BlueSpiceWikiExplorer
BluespiceWikiExplorer
bootstrap
Bootstrap
BS
UsageTracker
Jobs
CacheResource
Composer
Installers
DPL
DynamicPageList3
Elasticsearch
Endpoints
Cat
Indices
Upgrade
EmbedVideo
Example
GuzzleHttp
HitCounters
JAMA
JsonSchema
Uri
Retrievers
Less
LightnCandy
MediaWiki
Shell
Sniffs
AlternativeSyntax
ControlStructures
ExtraCharacters
Files
NamingConventions
Usage
VariableAnalysis
WhiteSpace
Tests
EditPage
MongoDB
BSON
Package
PHP_CodeSniffer
Exceptions
Files
Filters
Generators
Reports
Sniffs
Standards
Generic
Sniffs
Arrays
Classes
CodeAnalysis
Commenting
ControlStructures
Debug
Files
Formatting
Functions
Metrics
NamingConventions
PHP
Strings
VersionControl
WhiteSpace
Tests
Arrays
Classes
CodeAnalysis
Commenting
ControlStructures
Files
Formatting
Functions
Metrics
NamingConventions
PHP
Strings
WhiteSpace
MySource
Sniffs
Channels
Commenting
CSS
Debug
Objects
PHP
Strings
Tests
Channels
Commenting
CSS
Debug
Objects
PHP
Strings
PEAR
Sniffs
Classes
Commenting
ControlStructures
Files
Formatting
Functions
NamingConventions
WhiteSpace
Tests
Classes
Commenting
ControlStructures
Files
Formatting
Functions
NamingConventions
WhiteSpace
PSR1
Sniffs
Classes
Files
Methods
Tests
Classes
Files
Methods
PSR2
Sniffs
Classes
ControlStructures
Files
Methods
Namespaces
Tests
Classes
ControlStructures
Files
Methods
Namespaces
Squiz
Sniffs
Arrays
Classes
Commenting
ControlStructures
CSS
Debug
Files
Formatting
Functions
NamingConventions
Objects
Operators
PHP
Scope
Strings
WhiteSpace
Tests
Arrays
Classes
Commenting
ControlStructures
CSS
Debug
Files
Formatting
Functions
NamingConventions
Objects
Operators
PHP
Scope
Strings
WhiteSpace
Zend
Sniffs
Debug
Files
NamingConventions
Tests
Debug
Files
NamingConventions
Tests
Core
File
Standards
Tokenizers
Util
PHP_TokenStream
phpcs
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
RemexHtml
ReplaceText
Resource
ShopwareCli
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
SquizCMS
SRF
Filtered
Test
Tree
Node
Test
Visitor
Visitor
UEModulePDFSubpages
vis
Wikimedia
Composer
Merge
Http