Microsoft Entra ID (formerly Azure AD) provides cloud‑based identity and access management with SSO, MFA, and conditional access. Below is a curated list of 20 leading SSO platforms that can serve as alternatives for enterprises seeking comparable or specialized capabilities.
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Enterprise‑grade identity platform offering SSO, adaptive MFA, lifecycle management, and extensive app integrations.
Cloud‑based IAM solution with unified SSO, smart MFA, and a robust app catalog for rapid deployment.
Identity‑as‑a‑Service suite delivering SSO, MFA, and API security for hybrid and multi‑cloud environments.
Developer‑focused identity platform offering customizable SSO, social login, and rule‑based authentication flows.
Directory‑as‑a‑Service that provides SSO, device management, and LDAP/AD bridge for cloud‑first organizations.
Comprehensive access management suite with SSO, risk‑based authentication, and integration with IBM Cloud services.
Zero‑trust authentication platform offering SSO, MFA, and device health checks for secure access.
Privileged access management combined with SSO and adaptive authentication for hybrid environments.
Enterprise identity solution delivering SSO, risk‑based MFA, and identity governance.
Google’s native identity service providing SSO to G Suite apps and thousands of third‑party SaaS applications.
Built‑in identity platform for Salesforce customers, offering SSO, user provisioning, and social login.
Cloud‑based identity and access management platform focused on SSO for SaaS applications.
Identity provider delivering SSO, adaptive MFA, and identity analytics for large enterprises.
Free, open‑source identity and access management solution offering SSO, LDAP/AD integration, and social login.
Community‑supported version of Auth0 with core SSO capabilities for small‑to‑medium projects.
Identity and access management platform with SSO, MFA, and custom login widgets for web and mobile.
Scalable IAM suite delivering SSO, identity governance, and API security for complex enterprises.
Open‑source identity server supporting SSO, OAuth2, OpenID Connect, and federation across cloud/on‑prem.
Cloud‑based IAM offering SSO, adaptive authentication, and integration with Oracle SaaS and third‑party apps.
Unified identity platform providing SSO, MFA, and privileged access management for hybrid workloads.