FusionAuth is a Customer Identity and Access Management server for authentication, authorization, and user management.
Alternatives to Google Cloud Identity
WorkOS provides APIs and hosted tools for SaaS companies adding enterprise capabilities to their applications.
1Password is a password manager for Android, iOS, Linux, macOS, Windows, and the web.
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Descope
Descope is a customer and agentic identity platform for authentication, user management, authorization, and identity journeys.
Free planAndroidiOSWebAPI7.6From $249 a month - 5

Okta Customer Identity Cloud
Okta Customer Identity Cloud, also known as Auth0, helps organizations provide secure access to applications for users.
Free planAndroidiOSWebAPI7.6From $35 a month - 6

Supabase
Supabase is a backend platform built around a Postgres database, with services for authentication, file storage, realtime data, and server-side functions.
Free planAndroidiOSWebAPI7.6From $25 a month - 7
Microsoft Defender for Business
AndroidiOSAPImacOS7.5 - 8
Clerk
Clerk provides full-stack authentication and user management for applications, including Organizations and Billing.
Free planAndroidiOSWebAPI7.4Free plan - 9
Logto
Logto provides identity and access management for modern apps and SaaS products, covering authentication and authorization.
Free planAndroidiOSWebAPI7.4From $24 a month - 10

IBM Verify
AndroidiOSWebAPI7.3From $15,899.29 a year - 11

MojoAuth
MojoAuth provides passwordless authentication for consumer apps through one API for customer sign-in across web and mobile.
Free planAndroidiOSWebAPI7.3From $120 a month - 12

authentik
authentik is an open-source, self-hostable identity and access management product for organizations managing workforce and customer access.
Free planWebAPILinuxmacOS7.2From $5 a month - 13

Frontegg
Frontegg provides customer identity and access management for customer-facing applications.
Free planAndroidiOSWebAPI7.0Free plan - 14
Stytch
Stytch is an identity platform for applications used by people and AI agents, bringing authentication, authorization, and security tools together.
Free planAndroidiOSWebAPI7.0Free plan - 15
ZITADEL
ZITADEL provides identity and access management for customers, employees, devices, and services.
Free planWebAPILinuxmacOS7.0From $100 a month - 16

Authsignal
AndroidiOSWebAPI6.9From $499 a month - 17
Entrust Identity App
Entrust Identity App provides one-time passcodes for signing in to websites, VPNs, and other online resources, and can verify transactions by showing…
Free planAndroidiOSmacOSWindows6.9Free plan - 186.9
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Keycloak
Keycloak is open-source identity and access management software that adds authentication to applications and secure services, leaving those systems…
Free planWebAPILinuxSelf-hosted6.5Free plan - 20

Amazon Cognito
Amazon Cognito provides sign-up, sign-in, access control, and brokered AWS service access for web and mobile applications.
AndroidiOSWebAPI6.2 - 21

Authelia
Authelia is an open-source authentication and authorization server and portal that adds multi-factor authentication and single sign-on to applications.
Free planWebAPILinuxSelf-hosted6.2Free plan - 22

SecureAuth Workforce Authority
SecureAuth Workforce Authority is an identity and access product for securing workforce users, devices, and applications across modern and legacy environments.
AndroidiOSWebLinux6.2 - 23
Apereo CAS
Apereo CAS is a free, open-source identity provider and middleware for web authentication and authorization.
Free planWebAPISelf-hosted6.1Free plan - 24
Gluu Flex
WebAPILinuxSelf-hosted6.1 - 25
OneLogin Passwordless Authentication
AndroidiOSWebmacOS5.8 - 26
PingOne
PingOne is a web-based identity and access service for workforce and customer applications.
Web5.7From $3 a month - 27
Cisco Duo Passwordless
AndroidiOSWebLinux5.6 - 28
HYPR Identity Assurance Platform
AndroidiOSWebLinux5.4 - 29
Okta Workforce Identity
AndroidiOSWeb5.4 - 30
Ory Kratos
AndroidiOSWeb5.3

