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Duo Directory is a commercial Multi-Factor Authentication and Single Sign-On tool developed by Duo Security. Security professionals most commonly compare it with . All 205 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to Duo Directory, including their key features and shared capabilities.
Developer-focused customer identity platform for authentication & authorization
Shares 3 capabilities with Duo Directory: Authentication, Single Sign On, MFA
Cloud-based identity and access management solution for enterprises
Shares 3 capabilities with Duo Directory: Authentication, Single Sign On, MFA
Passwordless authentication solution using FIDO technology and biometrics
Shares 3 capabilities with Duo Directory: Authentication, Single Sign On, MFA
Enterprise access management with SSO, MFA, and passwordless authentication
Shares 3 capabilities with Duo Directory: Authentication, Single Sign On, MFA
Access management platform with SSO, MFA, and conditional access controls
Shares 3 capabilities with Duo Directory: Authentication, Single Sign On, MFA
IAM platform with MFA, SSO, and adaptive access for cloud, hybrid, on-prem
Shares 3 capabilities with Duo Directory: Authentication, Single Sign On, MFA
Centralized access management platform with SSO, MFA, and risk-based policies
Shares 3 capabilities with Duo Directory: Authentication, Single Sign On, MFA
SSO platform enabling access to multiple apps with one set of credentials
Shares 3 capabilities with Duo Directory: Authentication, Single Sign On, MFA
Developer-focused customer identity platform for authentication & authorization
Cloud-based identity and access management solution for enterprises
Passwordless authentication solution using FIDO technology and biometrics
Enterprise access management with SSO, MFA, and passwordless authentication
Access management platform with SSO, MFA, and conditional access controls
IAM platform with MFA, SSO, and adaptive access for cloud, hybrid, on-prem
Centralized access management platform with SSO, MFA, and risk-based policies
SSO platform enabling access to multiple apps with one set of credentials
SSO platform enabling users to authenticate once across multiple applications
Passwordless authentication platform using passkeys, biometrics, and SMS/email.
SSO solution with MFA integration for cloud and on-premises applications
SSO solution that reduces authentication prompts via continuous trust verification
Access management solution with MFA, SSO, passwordless auth & adaptive policies
SSO solution for centralized authentication and access management
Passwordless authentication platform using FIDO2 passkeys and biometrics
MFA solution with adaptive authentication and multiple verification methods
Cloud-based LDAP service for hybrid enterprise authentication and directory access
Cloud-based MFA solution with TOTP, SMS, email, and push authentication
Identity and access management solution with MFA and SSO capabilities
CIAM platform for customer identity verification, access management, and SSO
Workforce IAM solution with SSO, MFA, and centralized access management
MFA solution for Salesforce that eliminates usernames and passwords
MFA solution supporting multiple authentication methods for hybrid environments
Open-source IAM solution for SSO, MFA, and identity federation
Open-source identity provider with SSO, MFA, and application proxy capabilities
Identity management platform with biometric auth and multi-region support
IAM solution for Active Directory with MFA, SSO, and context-based access controls.
IAM platform offering SSO, MFA, and directory integration.
Zero Trust IAM platform with MFA, SSO, passwordless auth, and SSPR.
IdP platform offering MFA, SSO, and conditional access for orgs.
On-premises enterprise MFA platform with SSO, IAM, and adaptive auth.
SSO platform supporting SAML 2.0 and Windows auth for web/cloud apps.
IAM platform combining MFA, SSO, and password mgmt for businesses.
Middleware bridging apps and smart card/USB token security devices for auth.
MFA & SSO solution with hard/soft token support and AD integration.
Managed IAM service with MFA, SSO, and user lifecycle management.
Zero Trust SSO with continuous auth, adaptive MFA, and legacy app support.
Enterprise MFA platform with PINsafe® tech, RBA, and SSO support.
No/low-code CIAM platform for auth, SSO, MFA, and user management.
Identity and access management platform for authentication and authorization
Mac and mobile authentication with cloud IdP integration and ZTNA access.
Mobile-based MFA solution for protecting against weak passwords & unauthorized access
IAM solution with adaptive MFA, SSO, and contextual access control
MFA solution requiring multiple verification factors for user authentication
On-premises authentication and identity management with MFA and SSO capabilities
Enterprise SSO solution providing secure access to cloud and on-prem apps.
Adaptive MFA solution with phishing-resistant auth and contextual policies
MFA solution providing two-factor authentication for application access
MFA solution with biometric authentication and third-party integrations.
Docker-based SSO solution with SaaS license mgmt and identity lifecycle integration
SSO solution for SAML and OIDC apps with MFA and user provisioning
MFA solution securing user access to apps, devices, networks, and resources
Passwordless workforce IAM with SSO, MFA, and device posture-based access control
AI-powered unified platform for identity, endpoint security, and compliance
Fully managed IAM platform with auth APIs, passkeys, and access control
IAM platform for MFA rollout, session monitoring, and multi-company management
Authentication & access mgmt solution with SSO, MFA, and password vault
Multi-factor authentication service with phone PIN, KBA, and biometric methods
Identity and access management platform for authentication and authorization
Mobile app for two-factor authentication token generation
Mobile authenticator app for MFA when signing into Claranet accounts
Smartphone-based digital identity tech for secure authentication and signing
MFA solution that verifies user identities with multiple authentication factors
Passwordless authentication solution using biometrics, security keys, and MFA
MFA integration for Microsoft services including Entra ID, Windows, and RDP
Enterprise SSO solution for password management and single authentication access
Passwordless MFA solution using FIDO passkeys for workforce and customers
Cisco Duo multi-factor authentication solution offered by Intralan
Context-aware adaptive MFA using AI-driven risk scoring for authentication
Hardware authentication token for multi-factor authentication via OTP generation
On-premise federated identity mgmt system with SSO and MFA capabilities
Passwordless MFA platform for workforce authentication across enterprise systems
Hardware-based MFA solution for identity authentication and access control
FIDO-based passkey authentication solution for passwordless access
Passwordless authentication platform using mobile biometrics for enterprise
MFA solution for privileged access control with Zero Trust approach
SMS-based identity verification and MFA using one-time passcodes (OTPs)
Customer identity and access management platform with authentication features
FIPS 140-2 validated hardware security key for multi-protocol authentication
Hardware-backed authenticator app for generating TOTP codes using YubiKeys
FIPS 140-2 validated hardware security key for multi-factor authentication
Hardware security key for two-factor, multi-factor, and passwordless auth
FIDO-based authentication SDK with biometric, PIN, and pattern verification
Passwordless MFA+SSO solution with phishing-resistant authentication
Authentication platform supporting eIDs, biometrics, OTPs, and passkeys
FIDO2-based 3D facial biometric authentication for laptops, servers & apps
FIDO-certified passwordless MFA authentication with passkey support
Passwordless biometric authentication using facial recognition and liveness
Biometric re-authentication for returning users using liveness and face matching
PSD3-compliant hardware token supporting FIDO2 authentication standards
Adaptive authentication platform with risk-based dynamic user challenges
Passwordless authentication solution using decentralized identity wallet
B2B user management platform with auth, SSO, SCIM, RBAC, and API security
Managed MFA service protecting digital identities with additional authentication
Enables secure IdP-initiated SSO with automatic conversion to SP-initiated flows
ICAM solution for DDIL environments with authentication and SSO capabilities
Passwordless authentication platform with location-based security and ITDR
2FA protection for GitHub using virtual phone numbers and biometrics
MFA solution for on-premises and hybrid cloud corporate environments
Authentication and user management platform with pre-built UI components
Mobile credential solution replacing physical smartcards for enterprise access control.
FIDO2 biometric hardware security keys for passwordless authentication.
Two-factor authentication add-on for Windows Active Directory using YubiKeys.
Invisible passwordless MFA for SaaS — no software, no setup, one-step auth.
Passwordless biometric authentication tied to individual identity for enterprise use.
MFA solution for Windows machines using USB token, SMS, email OTP, or challenge questions.
Phishing-resistant, passwordless OOB authentication platform for banking apps.
Passwordless, biometric MFA platform using software passkeys for SMBs.
OTP authenticator offering hardware tokens & software app for MFA.
FIDO-compliant wearable with fingerprint sensor for biometric authentication.
Cloud-hosted RADIUS server with MFA for VPNs and firewalls, built for MSPs.
Facial biometric authentication replacing passwords using liveness detection.
IAM platform unifying auth, federation, and SSO with no per-user fees.
Multi-method passwordless authentication platform supporting FIDO2, TOTP, push & QR.
Cloud MFA & transaction signing platform for payment fraud prevention.
Phishing-resistant MFA 2.0 solution with IAM security risk assessment.
Proximity-based 2FA & shared PC access mgmt with auto-lock for compliance.
Passwordless workforce identity platform using FIDO2, MFA, SSO, and hardware keys.
Hardware OTP tokens for OATH-compliant HOTP/TOTP two-factor authentication.
FIDO-certified hardware security keys supporting passkeys, U2F, and FIDO2.
FIDO2 USB security key with fingerprint sensor for biometric MFA.
FIDO2/U2F hardware security keys certified for RSA SecurID Access.
Vendor-agnostic authentication server supporting MFA, biometrics, FIDO2 & HSMs.
Passwordless, phishing-resistant Windows login via mobile biometrics.
Passwordless digital identity platform with real-time identity proofing.
Face biometric authentication platform with liveness detection and deepfake defense.
Biometric face MFA for workforce using liveness detection and OIDC.
Cloud-based MFA using zero-knowledge proofs for PSD2-compliant SCA.
SaaS passwordless & MFA authentication platform using FIDO2/WebAuthn.
Analytics platform for measuring & benchmarking passkey/passwordless auth KPIs.
Passwordless/passkey authentication suite for web and native apps.
Biometric physical access control using palm and facial recognition for buildings.
Self-hosted MFA platform with broad enterprise system integrations.
MFA plugin that adds two-factor authentication to ADFS environments.
MFA bypass policy for trusted devices with configurable time limits.
Cloud-based MFA solution securing apps, VPNs, and servers for orgs.
Reverse proxy broker adding MFA/FIDO to any web app without code changes.
Silent mobile authentication via SIM/MNO data, replacing SMS OTP.
MPC-as-a-Service TSS platform for secure digital wallet key management.
Authentication security platform using OTAC & FIDO for OT, IoT, and finance.
Zero-knowledge proof 2FA using device token & PIN, without revealing credentials.
IAM platform offering CIAM, passwordless auth, and fraud prevention.
Data-over-sound SDK for contactless auth, IoT provisioning & passwordless MFA.
Endpoint encryption & passwordless authentication platform for enterprises.
Unified platform for managing facial biometric authentication & physical ACS.
FIDO2-based MFA solution using smartphone push notifications for authentication
Admin console logs for auth, phone, and audit events with CSV export.
Behavioral biometrics platform for continuous auth and explainable AI threat detection.
Industry alliance developing open standards for passwordless authentication.
Passwordless MFA using selfie, QR code, biometrics, Face ID, or PIN.
Mobile TOTP authenticator app for two-step verification on VPN and online services.
Vendor-neutral org publishing open standards for OTP & strong auth.
Auth platform with passwordless sign-in and private AI infra for apps.
Free mobile app for MFA via push notifications, TOTP, and QR codes.
MPC-based 2FA MetaMask Snap for distributed self-custodial wallets.
Enterprise identity and access management platform for workforce security
Phishing-resistant MFA platform with passwordless auth and device trust
Universal MFA solution extending authentication to legacy apps and OT systems
Manages secure access to shared mobile devices with fast authentication & SSO
Biometric MFA server enabling fingerprint & face authentication for applications
IAM platform with phishing-resistant MFA, device trust, and continuous auth.
Customer Identity and Access Management platform with OAuth 2.0 and OIDC
IAM solution for AI agents and agentic AI authentication and authorization
Biometric authentication platform with identity verification and passwordless access
Passwordless auth using SIM-based verification to prevent fraud & SIM swaps
OAuth 2.0 authorization for browserless and input-constrained devices
Open source authentication binding public keys to identities via SSO/OpenID
Self-custody digital identity app for secure authentication and authorization
Telecom network authentication and policy control for 4G/5G networks
Cloud-based IDaaS platform for identity and access management
IAM platform with MFA, SSO, and rostering for education institutions
Authentication technology solution with patented technology in Japan
Certificate-based device trust for SSO with EAP-TLS authentication
User authentication features for ShareFile file sharing platform
Passwordless authentication platform with biometrics and AI-based threat detection
MFA solution using visual cryptography with credential delegation capabilities
Passwordless authentication platform using passkeys and biometrics
Privacy-preserving biometric authentication for workforce IAM solutions
Customer identity platform with SSO, SCIM, and multi-tenant management
Passwordless authentication system using unique keys for identity management
Authentication service with built-in security features and compliance certifications
Facial biometric authentication system for passwordless access and identity verification
Omnichannel authentication platform for passwordless client verification
Web3-based decentralized identity platform for access control using crypto
Passkey-based authentication for one-click checkout with device binding
Passwordless authentication for healthcare using device-bound biometrics.
Authentication software for Windows and Linux with alternative login methods
MFA-based RDP protection for servers to prevent ransomware intrusions.
Multi-tenant IAM platform for MSPs with MFA, SSO, PAM, and RADIUS.
Proximity-based MFA & password mgmt platform for enterprise workstations.
Secures OWA sessions by alerting users who navigate away without logging off.
IDaaS SSO platform for web & Windows desktop apps with directory integration.
Trustless auth API using zero-knowledge proofs to eliminate password storage.
Passwordless auth, encrypted comms, and Zero Trust asset mgmt platform.
MPC-based cryptographic auth and transaction signing for open banking APIs.
SaaS CIAM platform for managing customer, partner, and AI agent identities.
FIDO auth, PKI, tokenization & encryption platform for IAM & data security.
Cybersecurity firm offering tamper-proof computing, identity devices & data vaults.
Policy-driven conditional access control with dynamic authentication requirements
Agentless device verification and trust enforcement for access control
Adaptive access control with MFA, SSO, and risk-based authentication policies
Multi-modal biometric authentication platform for physical access control
Cloud-based MFA and mobile app security solutions with risk analysis
Image-based passwordless authentication and data protection using PQC
A PHP OAuth 2.0 authorization server implementation with support for various grants and RFCs.
Common questions security professionals ask when evaluating alternatives and competitors to Duo Directory.
The most popular alternatives to Duo Directory include Auth0 Platform, Microsoft Entra ID, Array IDpass Identity Solution, Imprivata Enterprise Access Management, and SecurEnvoy Access Management. These Multi-Factor Authentication and Single Sign-On tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
