Here is a list of all namespaces with brief descriptions:

boost
boost::archive
boost::serialization
boost::tuples
eos
qx	Root namespace for all QxOrm library features
qx::cache	Provide basic thread-safe cache feature to backup and restore any kind of objects (for example, object fetched from database)
qx::cache::detail	Internal helper tools for qx::cache namespace
qx::cvt	Provide global functions to convert any kind of objects to/from QString and QVariant format
qx::cvt::detail	Internal helper tools for qx::cvt namespace
qx::cvt::detail::helper
qx::dao	Database communication used by persistence engine (ORM - Object Relational Mapping)
qx::dao::detail	Internal helper tools for qx::dao namespace
qx::dao::helper
qx::dao::throwable	Same functions as qx::dao namespace, but throw a qx::dao::sql_error exception when a SQL error occurred (instead of returning a QSqlError instance)
qx::foreach	Foreach-style (based on BOOST_FOREACH macro) to iterate over all stl, boost and Qt containers + qx::QxCollection<Key, Value> QxOrm library container
qx::function	Register function into QxOrm context used by introspection engine
qx::function::detail	Internal helper tools for qx::function namespace
qx::memory	QxOrm library memory leak detection (by Wu Yongwei)
qx::model_view
qx::model_view::detail
qx::serialization	QxOrm library serialization engine based on boost::serialization library
qx::serialization::binary	Serialize a class registered into QxOrm context into/from binary archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_BINARY compilation options in QxOrm.pri configuration file
qx::serialization::detail	Internal helper tools for qx::serialization namespace
qx::serialization::helper
qx::serialization::json	Serialize a class registered into QxOrm context using Qt QJson serialization engine (this feature requires Qt5)
qx::serialization::polymorphic_binary	Serialize a class registered into QxOrm context into/from polymorphic_binary archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_POLYMORPHIC compilation options in QxOrm.pri configuration file
qx::serialization::polymorphic_text	Serialize a class registered into QxOrm context into/from polymorphic_text archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_POLYMORPHIC compilation options in QxOrm.pri configuration file
qx::serialization::polymorphic_xml	Serialize a class registered into QxOrm context into/from polymorphic_xml archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_POLYMORPHIC compilation options in QxOrm.pri configuration file
qx::serialization::portable_binary	Serialize a class registered into QxOrm context into/from portable_binary archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_PORTABLE_BINARY compilation options in QxOrm.pri configuration file
qx::serialization::qt	Serialize a class registered into QxOrm context using Qt QDataStream serialization engine
qx::serialization::text	Serialize a class registered into QxOrm context into/from text archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_TEXT compilation options in QxOrm.pri configuration file
qx::serialization::wide	QxOrm library serialization engine for wide archive
qx::serialization::wide::binary	Serialize a class registered into QxOrm context into/from wide binary archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_WIDE_BINARY compilation options in QxOrm.pri configuration file
qx::serialization::wide::text	Serialize a class registered into QxOrm context into/from wide text archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_WIDE_TEXT compilation options in QxOrm.pri configuration file
qx::serialization::wide::xml	Serialize a class registered into QxOrm context into/from wide XML archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_WIDE_XML compilation options in QxOrm.pri configuration file
qx::serialization::xml	Serialize a class registered into QxOrm context into/from XML archive (file, string, etc.) : enable this feature defining _QX_ENABLE_BOOST_SERIALIZATION and _QX_ENABLE_BOOST_SERIALIZATION_XML compilation options in QxOrm.pri configuration file
qx::service	QxOrm library services engine to provide easy and powerful way to create C++ application server (to transfer data over network)
qx::trait	QxOrm library traits (template metaprogramming) not available in boost::type_traits library
qx::trait::detail	Internal helper tools for qx::trait namespace
qx::validator
qx::validator::detail
std