Here is a list of all namespaces with brief descriptions:

[detail level 12345]

boost
filesystem
serialization
cuda
Eigen
internal
lsst	< multiple inclusion guard macro
afw
cameraGeom
assembleImage
camera
cameraConfig
cameraFactory
cameraGeomEnumDicts
detectorCollection
fitsUtils
makePixelToTanPixel
rotateBBoxBy90
testUtils
utils
coord
utils
detection
utils
display
ds9
ds9Regions
interface
rgb
utils
virtualDevice
fits
pickleFits
formatters
geom
detail
ellipses
detail
polygon
transformConfig
utils
xyTransformFactory
gpu
detail
image
basicUtils
detail
details
pixel
SdssFilters
testUtils
utils
math
detail
ConvolveGpuStatus
gpu
WarpImageGpuStatus
details
warper
table
_syntax
detail
io
tableEnumDicts
version
base
version
coadd
chisquared
coadd
version
utils
coadd
coaddDataIdContainer
makeBitMask
version
ctrl
events
version
daf
base
citizen
version
butlerUtils
cameraMapper
fsScanner
mapping
registries
version
persistence
butler
butlerFactory
butlerLocation
butlerSubset
mapper
readProxy
version
datarel
csvFileWriter
datasetScanner
ingest
mysqlExecutor
utils
version
gdb
afw
printers
printers_oldgdb
ip
diffim
printers
meas
algorithms
printers
geom
geometry
version
ip
diffim
detail
diaCatalogSourceSelector
diaSourceAnalysis
diffimTools
dipoleMeasurement
imagePsfMatch
kernelCandidateQa
makeKernelBasisList
makeRatingVector
modelPsfMatch
psfMatch
snapPsfMatch
utils
version
isr
assembleCcdTask
fringe
isr
isrTask
version
log
detail
log
version
meas
algorithms
debugger
defects
detection
findCosmicRaysConfig
gaussianPsfFactory
interp
loadReferenceObjects
makeCoaddApCorrMap
measureSourceUtils
objectSizeStarSelector
pcaPsfDeterminer
psfDeterminerRegistry
psfSelectionFromMatchList
secondMomentStarSelector
shapelet
sizeMagnitudeStarSelectorFactory
starSelectorRegistry
testUtils
utils
version
astrom
anetAstrometry
anetBasicAstrometry
approximateWcs
astrometry
astrometryNetDataConfig
catalogStarSelector
detail
display
fitTanSipWcs
loadAstrometryNetObjects
matchOptimisticB
multiindex
setMatchDistance
sip
cleanBadPoints
genDistortedImage
sourceMatchStatistics
verifyWcs
version
base
apCorrRegistry
applyApCorr
baseMeasurement
forcedMeasurement
forcedPhotCcd
forcedPhotCoadd
forcedPhotImage
measureApCorr
noiseReplacer
pluginRegistry
plugins
references
sfm
tests
transforms
version
wrappers
deblender
baseline
deblend
deblendAndMeasure
version
pex
config
choiceField
comparison
config
configChoiceField
configDictField
configField
configurableField
convert
dictField
history
listField
rangeField
registry
version
wrap
exceptions
version
wrappers
logging
threshold
version
policy
paf
version
pipe
base
argumentParser
cmdLineTask
struct
task
timer
version
tasks
assembleCoadd
calibrate
coaddBase
coaddHelpers
coaddInputRecorder
colorterms
exampleCmdLineTask
exampleStatsTasks
getRepositoryData
imageDifference
ingest
interpImage
makeCoaddTempExp
makeDiscreteSkyMap
makeSkyMap
matchBackgrounds
measurePsf
mocks
mockCoadd
mockObject
mockObservation
mockSelect
simpleMapper
visualization
multiBand
photoCal
processCcd
processCoadd
processImage
registerImage
repair
repositoryIterator
scaleZeroPoint
selectImages
setConfigFromEups
snapCombine
transformMeasurement
version
warpAndPsfMatch
sconsUtils
builders
dependencies
eupsForScons
installation
scripts
state
tests
utils
vcs
git
hg
svn
version
skymap
baseSkyMap
cachingSkyMap
detail
dodecahedron
utils
wcsFactory
discreteSkyMap
dodecaSkyMap
equatSkyMap
healpixSkyMap
patchInfo
ringsSkyMap
skyMapRegistry
tractInfo
version
skypix
quadsphere
version
utils
multithreading
lockProtection
SharedData
tests
version
lsstDebug
lsstimport
ndarray
detail
index
result_of
tables
detail
std	STL namespace
tr1