Here is a list of all namespaces with brief descriptions:

[detail level 1234]

▼Ndi
Nany
Nassert
Nbase64_literals
Nbit
Nchrono
Nchrono_duration_literals
Ncli
Nconcepts
Nconstexpr_integral_literals
►Ncontainer
Nerase_ns
Nring
►Nstring
Nencoding
Nutf8
Nvector
Nview
Nexec
►Nexecution
Nas_awaitable_ns
Nasync_generator_ns
Nasync_net_ns
Nasync_open_ns
Nasync_read_exactly_ns
Nasync_read_some_ns
Nasync_write_exactly_ns
Nasync_write_some_ns
Nbulk_ns
Nconnect_awaitable_ns
Ncounting_scope_ns
Ndummy_ns
Nempty_sequence_ns
Nensure_started_ns
Nexecute_ns
Nfilter_ns
Nfirst_value_ns
Nfrom_container_ns
Nget_sequence_cardinality_ns
Nignore_all_ns
Ninto_lockstep_sequence_ns
Ninto_result_ns
Ninto_variant_each_ns
Ninto_variant_ns
Nipc
Nipc_binary_ns
Nis_always_lockstop_sequence_ns
Nis_debug_env_ns
Njust_from_ns
Njust_ns
Njust_or_error_ns
Njust_void_or_stopped_ns
Nlazy_ns
Nlet_each_ns
Nlet_ns
Nlet_value_with_ns
Nmake_env_ns
Nnest_ns
Nnext_ns
Non_ns
Nread_ns
►Nreceiver_interface_ns
Nfake_receiver
Nrepeat_effect_ns
Nrepeat_effect_until_ns
Nrepeat_ns
Nrequest_stop_ns
Nrun_ns
Nschedule_from_ns
Nsend_ns
Nsender_to_sequence_adaptor_ns
Nset_next_ns
Nspawn_future_ns
Nspawn_ns
Nsplit_ns
Nstart_detached_ns
Nstopped_as_error_ns
Nstopped_as_optional_ns
Nsubscribe_ns
Nsync_wait_ns
Nthen_each_ns
Nthen_ns
Ntransfer_just_ns
Ntransfer_ns
Ntransform_each_ns
Nuse_resources_ns
Nwhen_all_ns
Nwith_env_ns
Nzip_ns
►Nformat
Nstyle
►Nfunction
Ncurry_back_ns
Ncurry_ns
Nfunction_ns
Nfunction_ref_ns
Nmonad
Npipeline
Nproj_ns
Ntag_invoke_detail
Ntag_invoke_ns
Nintegral_literals
Nintegral_set_literals
Nio
Njson_literals
►Nliterals
Nbase64_literals
Nchrono_duration_literals
Nconstexpr_integral_literals
Nintegral_literals
Nintegral_set_literals
Njson_literals
Npath_literals
Npath_view_literals
Npercent_encoded_literals
Nstring_literals
Nstring_view_literals
Nuuid_literals
►Nmath
Nbigint
Nlinalg
Nmeta
Nnumbers
Nparser
Npath_literals
Npath_view_literals
Npercent_encoded_literals
►Nplatform
Ngeneric_error
Nrandom
Nreflection
►Nserialization
Njson
Nstring_literals
Nstring_view_literals
Nsync
Ntest
Ntypes
Nutil
Nuuid_literals
►Nvocab
Nbyte_buffer
Nstd