What is a sso (single sign-on)?

SSO is an authentication method that lets a user sign in once and reach many connected applications without logging in again. It relies on standards like SAML and OpenID Connect, so the identity provider vouches for the user to each app.

Who uses one?

IT and security leaders

What does it cost?

Pricing varies. The cheapest provider in our Top 11 starts around $6/mo. See the cheapest providers ranked.

How do I pick one?

Read the full methodology for our 9.4-point scoring framework, then look at the canonical Top 11 Identity and Access Management Software. If you want a slice of the ranking by price, fit, or compliance, jump to: cheapest · highest-rated · fastest onboarding.

Source: Top 11 Top 11 Identity and Access Management Software, verified July 10, 2026.