Services

1. `launchd` services

launchd list

Name	Path	First Appeared	Description
com.apple.ABDatabaseDoctor			AddressBook database repair
com.apple.AXMediaUtilitiesService
com.apple.Accessibility.AccessibilityUIServer
com.apple.AdminLite	/System/Library/PrivateFrameworks/AdminLite.framework/Resources/AdminLiteTool		Turns on / off setting boot-args
com.apple.AppImageMounter
com.apple.AppleCredentialManagerDaemon
com.apple.AppleSSODaemon			Apple ID
com.apple.AssetCacheLocatorService
com.apple.BTServer.avrcp			Bluetooth Audio/Video Remote Control Profile (AVRCP)
com.apple.BTServer.cloudpairing			iCloud Pairing for AirPods etc.
com.apple.BTServer.map			Bluetooth Message Access Profile (MAP)
com.apple.BTServer.pbap			Bluetooth Phone Book Access Profile (PBAP)
com.apple.BarcodeSupport.BarcodeNotificationService			Camera QR code reader
com.apple.BlueTool
com.apple.CallHistorySyncHelper
com.apple.CarPlayApp
com.apple.CommCenter			Deal with the radios
com.apple.CommCenterMobileHelper
com.apple.CommCenterRootHelper
com.apple.CoreAuthentication.daemon
com.apple.CoreRoutine.helperservice
com.apple.DMHelper
com.apple.DataDetectorsSourceAccess			Find phone numbers, shipping tracking codes
com.apple.DragUI.druid
com.apple.DumpBasebandCrash			Collect logs from the Baseband if it crashes
com.apple.DumpPanic			Reads kernel panics from block storage and writes to log
com.apple.EscrowSecurityAlert
com.apple.FileCoordination
com.apple.FileProvider
com.apple.GSSCred			Generic Security Services
com.apple.GameController.gamecontrollerd
com.apple.IOAccelMemoryInfoCollector
com.apple.MapKit.SnapshotService
com.apple.Maps.geocorrectiond
com.apple.Maps.mapspushd
com.apple.MobileAccessoryUpdater			Update attached accessories like Haywire
com.apple.MobileBackup.MBHelperService
com.apple.MobileFileIntegrity			AMFI
com.apple.MobileInstallationHelperService
com.apple.MobileInternetSharing
com.apple.MobileSoftwareUpdate.CleanupPreparePathService
com.apple.OTACrashCopier
com.apple.OTATaskingAgent
com.apple.PerfPowerServicesExtended
com.apple.PointerUI.pointeruid
com.apple.PowerUIAgent
com.apple.ProxiedCrashCopier.ProxyingDevice			Move crash reports from devices like the Apple Watch
com.apple.PurpleReverseProxy
com.apple.ReportCrash			Send crash reports to Apple
com.apple.ReportCrash.SimulateCrash
com.apple.ReportMemoryException
com.apple.SCHelper			Smart Card helper
com.apple.Safari.SafeBrowsing.Service
com.apple.SafariBookmarksSyncAgent
com.apple.SafariCloudHistoryPushAgent
com.apple.ScreenTimeAgent
com.apple.SecureBackupDaemon
com.apple.SensorKitALSHelper
com.apple.SepUpdateTimer
com.apple.SpringBoard			SpringBoard
com.apple.SyncAgent
com.apple.TextInput.kbd			They keyboard
com.apple.TrustedPeersHelper
com.apple.UIKit.KeyboardManagement
com.apple.UsageTrackingAgent
com.apple.UserEventAgent-System
com.apple.VideoConversionService
com.apple.VideoSubscriberAccount.DeveloperService
com.apple.VideoSubscriberAccount.PrivacyService
com.apple.VoiceOverTouch			Accessibility
com.apple.WebBookmarks.webbookmarksd
com.apple.WirelessRadioManager
com.apple.abm-helper
com.apple.absd
com.apple.accessablility.mediaaccessibilityd
com.apple.accessibility.heard			Hearing aid accessability
com.apple.accessibility.motiontrackingd
com.apple.accessoryd			Handle accessories via USB / Lightning
com.apple.accounts.dom
com.apple.accountsd
com.apple.adid	/usr/libexec/adid
com.apple.afcd	/usr/libexec/afcd		Apple File Conduit
com.apple.aggregated			Create aggregate logs
com.apple.aggregated.addaily
com.apple.airtunesd	/usr/libexec/airtunesd		iTunes library sharing
com.apple.akd			AuthKit
com.apple.amsaccountsd
com.apple.analyticsd
com.apple.and
com.apple.ap.adprivacyd	/usr/libexec/adprivacyd		iAd privacy
com.apple.ap.adservicesd	/usr/libexec/adservicesd		iAd services
com.apple.applecamerad	/usr/libexec/adservicesd		Camera handler
com.apple.appstored			App Store
com.apple.apsd			Apple Push Service
com.apple.asd	/usr/libexec/asd
com.apple.askpermissiond
com.apple.aslmanager			Apple System Log
com.apple.assetsd
com.apple.assetsd.nebulad
com.apple.assistant_cdmd
com.apple.assistant_service
com.apple.assistantd
com.apple.assistivetouchd
com.apple.atc	/usr/libexec/atc		Air Traffic Control
com.apple.atc.atwakeup	/usr/libexec/atwakeup
com.apple.audio.toolbox.reporting.service
com.apple.avatarsd			iMessage / iCloud profile photos
com.apple.awdd			Apple Wireless Diagnostics Daemon
com.apple.backboardd	/usr/libexec/backboardd
com.apple.backupd
com.apple.biometrickitd.pearl			FaceID
com.apple.bird			iCloud Documents
com.apple.bluetoothd			Bluetooth
com.apple.bookassetd
com.apple.bookdatastored
com.apple.businesschatd
com.apple.cache_delete
com.apple.calaccessd
com.apple.captiveagent			Handle captive WiFi login
com.apple.carkitd
com.apple.cdpd
com.apple.certui.relay
com.apple.cfnetwork.AuthBrokerAgent
com.apple.cfnetwork.cfnetworkagent			Core Foundation networking
com.apple.cfprefsd.xpc.daemon			Core Foundation preference sync
com.apple.ckdiscretionaryd
com.apple.cloudd			iCloud
com.apple.cloudphotod			iCloud photo library
com.apple.cmfsyncagent
com.apple.commandandcontrol
com.apple.companion_proxy
com.apple.configd	/usr/libexec/configd
com.apple.contacts.donation-agent			Provide contacts from a sync provider
com.apple.contactsd			Contacts handler
com.apple.containermanagerd			Mange App and Group containers
com.apple.contextstored
com.apple.corecaptured			WiFi / Bluetooth diagnostic capture
com.apple.coredatad
com.apple.coreduetd
com.apple.coreidvd	/usr/libexec/coreidvd		Daemon for the CoreIDV private framework (probably "identity verification" for Apple Pay)
com.apple.coreparsec.silhoette
com.apple.coreservices.useractivityd
com.apple.corespeechd
com.apple.corespotlightservice
com.apple.coresymbolicationd
com.apple.crash_mover
com.apple.crashreportcopymobile
com.apple.ctkd			Cloud Token Kit daemon
com.apple.dasd	/usr/libexec/dasd		Duet Activity Scheduler Daemon (related to DuetActivityScheduler.framework)
com.apple.dataaccess.dataaccessd
com.apple.datamigrator			Handles data conversion after OS update
com.apple.datastored
com.apple.deferredmediad
com.apple.deleted_helper
com.apple.device-o-matic			Figure out what profile to present when the device is connected via USB
com.apple.devicecheckd			DeviceCheck
com.apple.devicedataresetd
com.apple.diagnosticd			Diagnostics
com.apple.diagnosticextensionsd			Manage diagnostic extensions
com.apple.distnoted.xpc.daemon			Distributed notificaions
com.apple.dmd
com.apple.dprivacyd			Differential Privacy
com.apple.duetexpertd
com.apple.email.maild			Email daemon
com.apple.exchangesyncd			Exchange mail/contacts handler
com.apple.facebook.xpc			Facebook account handler
com.apple.fairplay.H2
com.apple.familycircled			iCloud Family Management
com.apple.familynotificaiton			Notify UI for family events
com.apple.fdrhelper	/usr/libexec/fdrhelper		Factory Data Reset
com.apple.filesystems.apfs_defragd			Defragment for APFS
com.apple.filesystems.livefileproviderd			Files.app service
com.apple.filesystems.smbclientd			Server Message Block client
com.apple.filesystems.userfs_helper
com.apple.filesystems.userfsd
com.apple.followupd
com.apple.fontservicesd
com.apple.fs_task_scheduler
com.apple.fseventsd			Filesystem events
com.apple.ftp-proxy-embedded
com.apple.fusiond
com.apple.gamed			GameKit
com.apple.geod			Geo-fencing
com.apple.gpsd			GPS
com.apple.handreporter
com.apple.handwritingd			iPad Handwriting Recogntion
com.apple.hangtracerd
com.apple.healthappd			Health App
com.apple.healthd			HealthKit
com.apple.homed			HomeKit
com.apple.iapauthd			iAccessory authentication
com.apple.iapd			iAccessory Protocol handler
com.apple.icloud.FindMyDevice.FindMyDeviceHelperXPCService
com.apple.icloud.findmydeviced			Find my iPhone
com.apple.icloud.fmfd			Find my friends
com.apple.icloud.fmflocatord			Find my friends
com.apple.icloud.searchpartyd			Offline Find-My
com.apple.iconservices.iconservicesagent
com.apple.idamd	/usr/libexec/idamd
com.apple.identityservicesd
com.apple.ids.IDSCredentialsAgent
com.apple.idsfoundation.IDSRemoteURLConnectionAgent			Make URL requests under identity services without exposing credential
com.apple.imagent			Instant Message Agent (iMessage)
com.apple.imautomatichistorydeletionagent			?
com.apple.imcore.imtransferagent			iMessage attachment handler
com.apple.imdpersistence.IMDPersistenceAgent
com.apple.ind
com.apple.installcoordinationd
com.apple.iomfb_bics_daemon
com.apple.iosdiagnosticsd
com.apple.itunescloudd
com.apple.itunesstored
com.apple.languageassetd
com.apple.localizationswitcherd
com.apple.locationd			Location services
com.apple.lockdown			lockdownd
com.apple.logd			Logging Daemon
com.apple.lsd			Launch Services daemon
com.apple.lskdd	/usr/libexec/lskdd		Local System Kernel Debug Daemon?
com.apple.lskdmsed	/usr/libexec/lskdmsed		Local System Kernel Debug Memory Daemon?
com.apple.mDNSResponder.reloaded			?
com.apple.mDNSResponderHelper.reloaded			?
com.apple.managedconfiguration.mdmd			Mobile Device Manager daemon
com.apple.managedconfiguration.passscodenagd			Tells you to set a passcode if set from policy
com.apple.managedconfiguration.profiled			.mobileprofile management
com.apple.managedconfiguration.teslad
com.apple.maps.destinationd
com.apple.matd
com.apple.mdt
com.apple.mediaanalysisd
com.apple.mediaartworkd			iTunes Cover Art
com.apple.medialibraryd
com.apple.mediaremoted
com.apple.mediaserverd
com.apple.mediastream.mstreamd
com.apple.memory-maintenance
com.apple.metrickitd
com.apple.midiserver
com.apple.migrationpluginwrapper			Environment for OS upgrade migration plugins to run in
com.apple.misagent	/usr/libexec/misagent		Provisioning profiles
com.apple.mlmodelingd			Machine Learning modeling daemon
com.apple.mobile.MCInstall			.mobileconfig management
com.apple.mobile.assertion_agent
com.apple.mobile.cache_delete_app_container_caches
com.apple.mobile.cache_delete_daily
com.apple.mobile.cache_delete_mobile_backup
com.apple.mobile.heartbeat
com.apple.mobile.insecure_notification_proxy
com.apple.mobile.installation_proxy
com.apple.mobile.installd
com.apple.mobile.keybagd
com.apple.mobile.notification_proxy
com.apple.mobile.obliteration			Erase device via AppleEffacableStorage
com.apple.mobile.softwareupdated
com.apple.mobile.storage_mounter
com.apple.mobile.storage_mounter_proxy
com.apple.mobileactivationd
com.apple.mobileassetd
com.apple.mobilecheckpoint.checkpointd
com.apple.mobilegestalt.xpc			Get device properties like model / serial
com.apple.mobilestoredemod
com.apple.mobilestoredemohelper
com.apple.mobiletimerd
com.apple.monbile.house_arrest			iTunes file transfer for application documents
com.apple.mtmergeprops
com.apple.nand_task_scheduler
com.apple.nanobackupd			Apple Watch backup agent
com.apple.nanoprefsyncd.2			Apple Watch preference syncing
com.apple.nanoregistryd			Apple Watch application registry (launch services)
com.apple.nanoregistrylaunchd
com.apple.nanotimekitcompaniond
com.apple.nanosubridged			Apple Watch Software Update Bridge
com.apple.navd
com.apple.ndoagent
com.apple.neagent-ios	/usr/libexec/neagent		Network Extension - Agent
com.apple.nearbyd	/usr/libexec/nearbyd
com.apple.nehelper	/usr/libexec/nehelper		Network Extensions
com.apple.nesessionmanager	/usr/libexec/nesessionmanager
com.apple.networkserviceproxy	/usr/libexec/networkserviceproxy
com.apple.newsd			Apple News
com.apple.nfcd	/usr/libexec/nfcd		Near Field Communications
com.apple.nfrestore	/usr/libexec/nfrestore_service
com.apple.nlcd	/usr/libexec/ncld		Network Link Conditioner
com.apple.notifyd
com.apple.nsurlsessiond
com.apple.nsurlstoraged
com.apple.online-auth-agent.xpc
com.apple.osanalytics.osanalyticshelper
com.apple.parsec-fbf
com.apple.parsecd
com.apple.passd			Passbook
com.apple.pasteboard.pasted			Clipboard / Paseboard Services
com.apple.pcapd	/usr/libexec/pcapd		Packet Capture
com.apple.peakpowermanagerd
com.apple.perfdiagsselfenabled
com.apple.pfd	/usr/libexec/pfd		Packet Filter
com.apple.photoanalysisd
com.apple.photos.ImageConversionService
com.apple.pipelined
com.apple.pluginkit.pkd			PluginKit
com.apple.pluginkit.pkreporter
com.apple.powerd
com.apple.powerlogHelperd
com.apple.preboardservice			First unlock screen
com.apple.preboardservice_v2			?
com.apple.printd
com.apple.proactiveeventtrackerd
com.apple.progressd
com.apple.protectedcloudstorage.protectedcloudkeysyncing
com.apple.ptpcamerad			Picture Transfer Protocol
com.apple.ptpd			Picture Transfer Protocol
com.apple.purplebuddy.budd
com.apple.quicklook.ThumbnailsAgent
com.apple.racoon			VPN
com.apple.rapportd
com.apple.recentsd			Most recently used (MRU) list
com.apple.relatived
com.apple.remindd
com.apple.remotemanagementd
com.apple.replayd			Game Kit instant replay
com.apple.reversetimplated			Create user folder layout from template
com.apple.revisiond			Historical file revision management
com.apple.routined
com.apple.rtcreportingd
com.apple.runningboardd
com.apple.safarifetcherd
com.apple.screensharingserver			AirPlay
com.apple.scrod
com.apple.searchd			Spotlight
com.apple.security.CircleJoinRequested
com.apple.security.cloudkeychainproxy3
com.apple.security.swcagent
com.apple.securityd	/usr/libexec/securityd		Handle keychains etc
com.apple.securityuploadd	/usr/libexec/securityuploadd
com.apple.seld	/usr/libexec/seld
com.apple.sensorkitd	/usr/libexec/sensorkitd
com.apple.seserviced	/usr/libexec/seserviced		Secure Element interface
com.apple.sharingd	/usr/libexec/sharingd		Generic "Share" action handler
com.apple.sidecar-relay	/usr/libexec/SidecarRelay		Use iDevice as a screen
com.apple.signpost.signpost_reporter	/usr/libexec/signpost_reporter
com.apple.siri-distributed-evaluation
com.apple.siri.ClientFlow.ClientScripter
com.apple.siri.acousticsignature
com.apple.siri.context.service
com.apple.siriactionsd
com.apple.siriknowledged
com.apple.softwareupdateservicesd
com.apple.sosd			Emergency recovery for iCloud Keychain
com.apple.spindump
com.apple.splashboard
com.apple.spotlight.IndexAgent
com.apple.storebookkeeperd
com.apple.streaming_zip_conduit	/usr/libexec/streaming_zip_conduit		Handle untrusted Zip content out of process
com.apple.subridged
com.apple.suggestd
com.apple.swcd	/usr/libexec/swcd		Shared Web Credentials
com.apple.symptomsd
com.apple.symptomsd.helper
com.apple.syncdefaultsd
com.apple.sysdiagnose
com.apple.sysdiagnose_helper
com.apple.systemstats.microstackshot_periodic
com.apple.tailspind	/usr/libexec/tailspind
com.apple.tccd			Total and Complete Control - App privacy settings
com.apple.telephonyutilities.callservicesd
com.apple.tencentweibo.xpc
com.apple.terminusd	/usr/libexec/terminusd		On-demand VPN
com.apple.thermalmonitord	/usr/libexec/thermalmonitord
com.apple.timed	/usr/libexec/timed		NTP Client
com.apple.timezoneupdates.tzd	/usr/libexec/tzd
com.apple.tipsd	/usr/libexec/tipsd		Tip of the day
com.apple.tonelibraryd			Ringtone library access
com.apple.touchsetupd
com.apple.transparencyd	/usr/libexec/transparencyd
com.apple.triald	/usr/libexec/triald		Apple A/B testing
com.apple.trustd	/usr/libexec/trustd		PKI trust evaluation
com.apple.tvremoted			Apple TV remote app
com.apple.twitter.xpc			Twitter account handler
com.apple.tzlinkd	/usr/libexec/tzlinkd		Time Zones
com.apple.usb.networking.addNetworkInterface
com.apple.videosybscriptionsd	/usr/libexec/videosubscriptionsd
com.apple.voiced
com.apple.voicemail.vmd
com.apple.voicememod			Voice Memos
com.apple.watchdogd	/usr/libexec/watchdogd
com.apple.watchlistd
com.apple.wcd	/usr/libexec/wcd
com.apple.webinspectord	/usr/libexec/webinspectord
com.apple.webio.xpc			Webio account handler
com.apple.wifi.hostapd			Host Access Point - Instant Hotspot
com.apple.wifi.wapic	/usr/libexec/wapic
com.apple.wifiFirmwareLoader	/usr/libexec/wifiFirmwareLoader		Move the firmware from disk to the WiFi chip
com.apple.wifianalyticsd	/usr/libexec/wifianalyticsd
com.apple.wifid			WiFi
com.apple.wifip2pd	/usr/libexec/wifip2pd		WiFi peer-to-peer
com.apple.wifivelocityd	/usr/libexec/wifivelocityd
com.apple.xpc.roleaccountd	/usr/libexec/xpcroleaccountd