Here is a list of all namespaces with brief descriptions:

[detail level 123]

►Nesphome	Implementation of SPI Controller mode
Na01nyub
Na02yyuw
Na4988
Nabsolute_humidity
Nac_dimmer
Nadalight
Nadc
Nadc128s102
Naddressable_light
Nade7880
Nade7953_base
Nade7953_i2c
Nade7953_spi
Nads1115
Nads1118
Nags10
Naht10
Naic3204
Nairthings_ble
Nairthings_wave_base
Nairthings_wave_mini
Nairthings_wave_plus
Nalarm_control_panel
Nalpha3
Nam2315c
Nam2320
Nam43
Nanalog_threshold
Nanimation
Nanova
Napds9306
Napds9960
►Napi
Nenums
Nas3935
Nas3935_i2c
Nas3935_spi
Nas5600
Nas7341
Nat581x
Natc_mithermometer
Natm90e26
Natm90e32
Naudio
Naudio_dac
Naxs15231
Nb_parasite
Nballu
Nbang_bang
Nbedjet
Nbeken_spi_led_strip
Nbh1750
Nbinary
Nbinary_sensor
Nbinary_sensor_map
Nbl0906
Nbl0939
Nbl0940
Nbl0942
Nble_client
Nble_presence
Nble_rssi
Nble_scanner
Nbluetooth_proxy
Nbme280_base
Nbme280_i2c
Nbme280_spi
Nbme680
Nbme680_bsec
Nbme68x_bsec2
Nbme68x_bsec2_i2c
Nbmi160
Nbmp085
Nbmp280_base
Nbmp280_i2c
Nbmp280_spi
Nbmp3xx_base
Nbmp3xx_i2c
Nbmp3xx_spi
Nbmp581
Nbp1658cj
Nbp5758d
Nbutton
Nbytebuffer
Ncanbus
Ncap1188
Ncaptive_portal
Nccs811
Ncd74hc4067
Nch422g
Nclimate
Nclimate_ir
Nclimate_ir_lg
Ncolor_temperature
Ncombination
Ncoolix
Ncopy
Ncover
Ncs5460a
Ncse7761
Ncse7766
Ncst226
Ncst816
Nct_clamp
Ncurrent_based
Ncustom
Ncustom_component
Ncwww
Ndac7678
Ndaikin
Ndaikin_arc
Ndaikin_brc
Ndallas_temp
Ndaly_bms
Ndashboard_import
Ndatetime
Ndebug
Ndeep_sleep
Ndelonghi
Ndemo
Ndfplayer
Ndfrobot_sen0395
Ndht
Ndht12
Ndisplay
Ndisplay_menu_base
Ndps310
Nds1307
Ndsmr
Nduty_cycle
Nduty_time_sensor
Ne131
Nee895
Nektf2232
Nemc2101
Nemmeti
Nendstop
Nens160_base
Nens160_i2c
Nens160_spi
Nens210
Nes8311
Nesp32
Nesp32_ble
Nesp32_ble_beacon
Nesp32_ble_client
Nesp32_ble_server
Nesp32_ble_tracker
Nesp32_camera
Nesp32_camera_web_server
Nesp32_can
Nesp32_dac
Nesp32_hall
Nesp32_improv
Nesp32_rmt_led_strip
Nesp32_touch
Nesp8266
Nesp8266_pwm
Nethernet
Nethernet_info
Nevent
Nexposure_notifications
Nezo
Nezo_pmp
Nfactory_reset
Nfan
Nfastled_base
Nfeedback
Nfingerprint_grow
Nfont
Nfs3000
Nft5x06
Nft63x6
Nfujitsu_general
Ngcja5
Ngdk101
Nglobals
Ngp2y1010au0f
Ngp8403
Ngpio
Ngpio_expander
Ngps
Ngraph
Ngraphical_display_menu
Ngree
Ngrove_gas_mc_v2
Ngrove_tb6612fng
Ngrowatt_solar
Ngt911
►Nhaier
Nhon_protocol
Nsmartair2_protocol
Nhavells_solar
Nhbridge
Nhdc1080
Nhe60r
Nheatpumpir
Nhitachi_ac344
Nhitachi_ac424
Nhlw8012
Nhm3301
Nhmac_md5
Nhmc5883l
Nhomeassistant
Nhoneywell_hih_i2c
Nhoneywellabp
Nhoneywellabp2_i2c
Nhost
Nhrxl_maxsonar_wr
Nhte501
Nhttp_request
Nhtu21d
Nhtu31d
Nhx711
Nhydreon_rgxx
Nhyt271
Ni2c
Ni2c_device
Ni2s_audio
Niaqcore
Nili9xxx
Nimage
Nimprov_base
Nimprov_serial
Nina219
Nina226
Nina260
Nina2xx_base
Nina2xx_i2c
Nina2xx_spi
Nina3221
Ninkbird_ibsth1_mini
Ninkplate6
Nintegration
Ninternal
Ninternal_temperature
Ninterval
Njsn_sr04t
Njson
Nkamstrup_kmp
Nkey_collector
Nkey_provider
Nkmeteriso
Nkuntze
Nlcd_base
Nlcd_gpio
Nlcd_menu
Nlcd_pcf8574
Nld2410
Nld2420
Nledc
Nlibretiny
Nlibretiny_pwm
Nlight
Nlightwaverf
Nlilygo_t5_47
Nlock
Nlogger
Nltr390
Nltr501
Nltr_als_ps
Nlvgl
Nm5stack_8angle
Nmatrix_keypad
Nmax17043
Nmax31855
Nmax31856
Nmax31865
Nmax44009
Nmax6675
Nmax6956
Nmax7219
Nmax7219digit
Nmax9611
Nmcp23008
Nmcp23016
Nmcp23017
Nmcp23s08
Nmcp23s17
Nmcp23x08_base
Nmcp23x17_base
Nmcp23xxx_base
Nmcp2515
Nmcp3008
Nmcp3204
Nmcp4725
Nmcp4728
Nmcp47a1
Nmcp9600
Nmcp9808
Nmd5
Nmdns
Nmedia_player
Nmhz19
Nmicro_wake_word
Nmicronova
Nmicrophone
Nmics_4514
►Nmidea
Nac
Nmidea_ir
Nmitsubishi
Nmlx90393
Nmlx90614
Nmmc5603
Nmmc5983
Nmodbus
Nmodbus_controller
Nmonochromatic
Nmopeka_ble
Nmopeka_pro_check
Nmopeka_std_check
Nmpl3115a2
Nmpr121
Nmpu6050
Nmpu6886
Nmqtt
Nmqtt_subscribe
Nms5611
Nms8607
Nmy9231
Nnau7802
Nneopixelbus
Nnetwork
Nnextion
Nnfc
Nnoblex
Nnpi19
Nntc
Nnumber
None_wire
Nonline_image
►Nopentherm
Nmessage_data
Nota
Noutput
Npartition
Npca6416a
Npca9554
Npca9685
Npcd8544
Npcf85063
Npcf8563
Npcf8574
Npid
Npipsolar
Npm1006
Npmsa003i
Npmsx003
Npmwcs3
Npn532
Npn532_i2c
Npn532_spi
Npn7150
Npn7150_i2c
Npn7160
Npn7160_i2c
Npn7160_spi
Npower_supply
Npreferences
Nprometheus
Npsram
Npulse_counter
Npulse_meter
Npulse_width
Npvvx_mithermometer
Npylontech
Npzem004t
Npzemac
Npzemdc
Nqmc5883l
Nqmp6988
Nqr_code
Nqspi_dbi
Nqwiic_pir
Nradon_eye_ble
Nradon_eye_rd200
Nrc522
Nrc522_i2c
Nrc522_spi	Library based on https://github.com/miguelbalboa/rfid and adapted to ESPHome by
Nrdm6300
Nremote_base
Nremote_receiver
Nremote_transmitter
Nresistance
Nresistance_sampler
Nrestart
Nrf_bridge
Nrgb
Nrgbct
Nrgbw
Nrgbww
Nrotary_encoder
Nrp2040
Nrp2040_pio_led_strip
Nrp2040_pwm
Nrpi_dpi_rgb
Nrtttl
Nruuvi_ble
Nruuvitag
Nsafe_mode
Nscd30
Nscd4x
Nscript
Nsdl
Nsdm_meter
Nsdp3x
Nsds011
Nseeed_mr24hpc1
Nseeed_mr60bha2
Nseeed_mr60fda2
Nselec_meter
Nselect
Nsen0321_sensor
Nsen21231_sensor
Nsen5x
Nsenseair
Nsensirion_common
Nsensor
Nservo
Nsetup_priority	Default setup priorities for components of different types
Nsfa30
Nsgp30
Nsgp4x
Nshelly_dimmer
Nsht3xd
Nsht4x
Nshtcx
Nshutdown
Nsigma_delta_output
Nsim800l
Nslow_pwm
Nsm10bit_base
Nsm16716
Nsm2135
Nsm2235
Nsm2335
Nsm300d2
Nsml
Nsmt100
Nsn74hc165
Nsn74hc595
Nsntp
Nsocket
Nsonoff_d1
Nspeaker
Nspeed
Nspi
Nspi_device
Nspi_led_strip
Nsprinkler
Nsps30
Nssd1306_base
Nssd1306_i2c
Nssd1306_spi
Nssd1322_base
Nssd1322_spi
Nssd1325_base
Nssd1325_spi
Nssd1327_base
Nssd1327_i2c
Nssd1327_spi
Nssd1331_base
Nssd1331_spi
Nssd1351_base
Nssd1351_spi
Nst7567_base
Nst7567_i2c
Nst7567_spi
Nst7701s
Nst7735
Nst7789v
Nst7920
Nstatsd
Nstatus
Nstatus_led
Nstepper
Nsts3x
►Nsun
Ninternal
Nsun_gtil2
Nswitch_
Nsx1509	Here you'll find the Arduino code used to interface with the SX1509 I2C 16 I/O expander
Nt6615
Ntc74
Ntca9548a
Ntca9555
Ntcl112
Ntcs34725
Ntee501
Nteleinfo
Ntem3200
Ntemplate_
Ntext
Ntext_sensor
Nthermostat
Ntime
Ntime_based
Ntlc59208f
Ntlc5947
Ntlc5971
Ntm1621
Ntm1637
►Ntm1638
NTM1638Translation
Ntm1651
Ntmp102
Ntmp1075
Ntmp117
Ntof10120
Ntoshiba
Ntotal_daily_energy
Ntouchscreen
Ntsl2561
Ntsl2591
Ntt21100
Nttp229_bsf
Nttp229_lsf
Ntuya
Ntx20
Nuart
Nudp
Nufire_ec
Nufire_ise
Nuln2003
Nultrasonic
Nupdate
Nuponor_smatrix
Nuptime
Nvalve
Nvbus
Nveml3235
Nveml7700
Nversion
Nvl53l0x
Nvoice_assistant
Nvoltage_sampler
Nwake_on_lan
Nwatchdog
Nwaveshare_epaper
Nweb_server
►Nweb_server_base
Ninternal
Nweb_server_idf
Nweikai
Nweikai_i2c
Nweikai_spi
Nwhirlpool
Nwhynter
Nwiegand
Nwifi
Nwifi_info
Nwifi_signal
Nwireguard
Nwk2132_i2c
Nwl_134
Nwled
Nx9c
Nxgzp68xx
Nxiaomi_ble
Nxiaomi_cgd1
Nxiaomi_cgdk2
Nxiaomi_cgg1
Nxiaomi_cgpr1
Nxiaomi_gcls002
Nxiaomi_hhccjcy01
Nxiaomi_hhccjcy10
Nxiaomi_hhccpot002
Nxiaomi_jqjcy01ym
Nxiaomi_lywsd02
Nxiaomi_lywsd02mmc
Nxiaomi_lywsd03mmc
Nxiaomi_lywsdcgq
Nxiaomi_mhoc303
Nxiaomi_mhoc401
Nxiaomi_miscale
Nxiaomi_mjyd02yla
Nxiaomi_mue4094rt
Nxiaomi_rtcgq02lm
Nxiaomi_wx08zm
Nxl9535
Nxpt2046
Nyashima
Nzhlt01
Nzio_ultrasonic
Nzyaura