Google Cloud Identity provides identity‑as‑a‑service, device management, and SSO for G Suite and other apps. Below are 20 comparable SSO platforms you can consider as alternatives.
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Enterprise‑grade identity platform offering SSO, lifecycle management, MFA, and API access management for thousands of pre‑built integrations.
Microsoft’s cloud identity service with SSO, conditional access, MFA, and deep integration with Office 365 and Azure services.
Unified access management suite delivering SSO, adaptive MFA, user provisioning, and a robust app catalog.
Directory‑as‑a‑service that provides SSO, LDAP, RADIUS, device management, and user provisioning across cloud and on‑prem environments.
Developer‑focused identity platform offering customizable SSO, social login, passwordless, and extensive SDKs for any stack.
Enterprise identity solution with SSO, intelligent access, MFA, and API security, targeting large, complex organizations.
Privileged access management platform that also provides SSO, MFA, and zero‑trust access for cloud and on‑prem apps.
Comprehensive IAM suite delivering SSO, adaptive access, identity governance, and analytics.
Cloud‑based IAM offering SSO, MFA, lifecycle management, and integration with Oracle Cloud and third‑party SaaS apps.
Former independent SSO provider now integrated into Google Cloud Identity; still listed for legacy reference.
Identity provider delivering SSO, adaptive authentication, and risk‑based access controls for enterprises.
Lightweight SSO and MFA solution focused on small‑to‑mid‑size businesses with easy app integration.
SaaS SSO platform offering SAML, OAuth, OpenID Connect, and password‑less login with extensive custom branding.
Developer‑centric identity platform providing SSO, user management, MFA, and customizable login flows.
Open‑source identity and access management solution with SSO, LDAP/AD federation, social login, and fine‑grained authorization.
Open‑source IAM offering SSO, adaptive authentication, API security, and extensive protocol support.
While primarily an MFA service, Authy integrates with many IdPs to provide secure SSO experiences.
Specialized SSO for K‑12 schools, enabling single‑click access to learning apps and student data.
Customer identity platform delivering SSO, social login, passwordless, and AI‑driven fraud detection.
Free version of Azure AD that provides basic SSO for up to 25 apps, suitable for small teams.