Top 30 SSO Software for Small Businesses

Curated list of the top 30 single sign‑on (SSO) solutions offering seamless integration, easy administration, and affordable pricing for small businesses.

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#2 Okta

Cloud‑based identity platform with pre‑built integrations for 7,000+ apps, adaptive MFA, and a simple admin console—ideal for SMBs scaling quickly.

Unified access management with SAML, OIDC, and password‑less login options; includes a ready‑made app catalog and automated provisioning.

Microsoft’s cloud identity service integrates natively with Office 365, Azure, and thousands of SaaS apps; offers conditional access and self‑service password reset.

Cross‑platform directory that unifies user identities, devices, and cloud resources with SSO, LDAP, RADIUS, and MDM in a single pane.

Developer‑friendly identity platform offering customizable SSO, social login, and extensive SDKs; generous free tier for startups.

Leverages Google’s identity engine to provide SSO across Google apps and thousands of third‑party SaaS tools; simple for businesses already on Google.

Enterprise‑grade SSO with flexible deployment (cloud, hybrid, on‑prem) and strong support for SAML, OAuth, and OpenID Connect.

Now part of Google Cloud Identity, Bitium offers SSO, user provisioning, and security reporting for small to midsize teams.

Zero‑trust identity platform combining SSO, MFA, and privileged access management; easy to deploy for SMBs using Azure or AWS.

Password manager with built‑in SSO for over 2,500 apps; includes automated provisioning and granular access policies.

Highly configurable SSO solution supporting SAML, OIDC, LDAP, and social logins; offers a free tier for up to 5 apps.

Developer‑centric identity platform with SSO, JWT, and password‑less login; self‑hosted or cloud with a free community edition.

#14 Keycloak

Open‑source identity and access management solution; supports SAML, OIDC, and social login with extensive customization.

Amazon’s identity service that provides SSO, user pools, and federation with social IdPs; integrates tightly with AWS workloads.

A lightweight Okta plan tailored for small teams, offering core SSO, lifecycle management, and basic reporting at a low monthly cost.

Bundled with OneLogin’s SSO, Protect adds adaptive MFA and risk‑based authentication without extra licensing.

#18 AuthAnvil

Simple SSO and MFA platform focused on SMBs; includes auto‑provisioning for popular SaaS apps and a straightforward pricing model.

Open‑source IAM suite offering SSO, strong authentication, and API security; can be self‑hosted on-prem or in the cloud.

Enterprise‑grade open‑source IAM with SSO, federation, and fine‑grained access control; suitable for tech‑savvy small businesses.

Open‑source user management system with SSO, passwordless login, and self‑service flows; integrates via OIDC/OAuth.

Cloud‑based SSO and access management with AI‑driven risk analytics; offers a small‑business tier with simplified pricing.

Identity provider delivering SSO, adaptive MFA, and password‑less authentication; includes a lightweight SMB package.

Bundled with Microsoft 365, provides SSO across Office apps and 3,000+ SaaS services plus conditional access.

Zoho’s integrated IAM offers SSO across the Zoho suite and popular third‑party apps, with a single‑click provisioning model.

Access to over 7,000 pre‑built SSO connectors for free; perfect for startups needing quick, no‑code integrations.

Starter plan includes SSO for up to 50 users, basic provisioning, and a curated app catalog at a low monthly rate.

Allows up to 7,000 active users with unlimited logins; includes SSO, social login, and rule‑based customization.

Free for up to 10 users; provides SSO, LDAP, RADIUS, and device management—all managed from a single dashboard.

Free tier supports SSO for up to 50 users and 100 apps, with basic reporting and automated provisioning.

Free plan includes SAML SSO for up to 5 applications, basic user provisioning, and email support.

Open‑source edition with unlimited users, SSO, JWT, and LDAP bridge; ideal for developers who want full control.

Free, open‑source SSO with support for SAML, OIDC, social login, and user federation; can be self‑hosted on any cloud.

Free for up to 50,000 monthly active users; provides SSO, social federation, and user pool management.

Open‑source IAM with SSO, MFA, and API security; supports LDAP, SAML, and OIDC out of the box.