Best Apereo CAS Alternatives in 2026
The top Apereo CAS alternatives are authentik, WSO2 Identity Server and Keycloak: 15 single Sign-On software our editors would look at instead of Apereo CAS, in our ranking order.
Apereo CAS: A protocol-rich, self-hosted SSO platform for institutions with identity expertise. Where it falls short: self-hosted deployment places more responsibility on the institution.
Switching from Apereo CAS? For most single sign-on software buyers the best Apereo CAS alternative is authentik, built for teams seeking open-source SSO and access control. On a budget, miniOrange Identity and Access Management starts at $2/user/mo. Zoho Directory offers the most prebuilt app count (350).
Why People Look for an Apereo CAS Alternative
- Self-hosted deployment places more responsibility on the institution
- Verified integration breadth is narrower than higher-ranked options
- MFA and risk-scoring references include development documentation
Quick Picks by What You Need
- Best overallauthentik9.4
Teams seeking open-source SSO and access control
Visit authentik - Lowest priceminiOrange Identity and Access Management8.7
Paid plans from $2/user/mo
Visit miniOrange Identity and Access Management - Best free optionauthentik9.4
Has a free plan
Visit authentik - Most prebuilt app countZoho Directory8.6
350
Visit Zoho Directory
All 15 Apereo CAS Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forTeams seeking open-source SSO and access control
- Better than Apereo CAS:
- Editor score 9.4 vs 8.5
Flexible self-hosted SSO with a free open-source edition and paid access controls.
- Adaptive access
9.4/10★★★★★Visit authentik -
Best forSelf-hosted enterprise IAM deployments
- Better than Apereo CAS:
- Editor score 9.2 vs 8.5
A broad, self-hosted IAM platform for enterprise SSO, federation, MFA, and API security.
- Adaptive access
9.2/10★★★★★Visit WSO2 -
Best forSelf-hosted enterprise identity teams
- Better than Apereo CAS:
- Editor score 9.1 vs 8.5
A broad, open-source SSO server for teams that want to run identity infrastructure themselves.
9.1/10★★★★★Visit Keycloak -
Best forGoogle and mixed-directory environments
- Better than Apereo CAS:
- Editor score 9.0 vs 8.5
A broad SSO and identity platform with a capable free edition and clear Premium upgrades.
- Adaptive access
9.0/10★★★★☆Visit Google Cloud -
Best forMature enterprise workforce identity programs
- Better than Apereo CAS:
- Editor score 8.9 vs 8.5
A broad enterprise SSO platform for cloud, on-premises and hybrid identity programs.
- Adaptive access
8.9/10★★★★☆Visit Ping Identity -
Best forCloud workforce SSO with orchestration
- Better than Apereo CAS:
- Editor score 8.8 vs 8.5
A standards-based workforce SSO platform with directory, MFA, provisioning, and orchestration.
- Built-in MFA
- Adaptive access
8.8/10★★★★☆Visit PingOne -
Best forBudget-conscious hybrid IAM buyers
- Better than Apereo CAS:
- Editor score 8.7 vs 8.5
A flexible IAM platform with four SSO protocols, adaptive access, and a $2 monthly entry tier.
- Adaptive access
8.7/10★★★★☆Visit miniOrange -
Best forSmall teams wanting low-cost application SSO
- Better than Apereo CAS:
- Editor score 8.6 vs 8.5
A broad SSO and identity toolkit with a useful free tier for small teams.
- Built-in MFA
- Adaptive access
8.6/10★★★★☆Visit Zoho Directory -
Best forAWS-centric organizations
A free SSO service with deep AWS account and application integration.
8.4/10★★★★☆Visit AWS IAM -
Best forOpen-source teams needing managed or self-hosted IAM
A flexible IAM platform for teams choosing between managed cloud and self-hosted deployment.
- Adaptive access
8.3/10★★★★☆Visit Ory -
Best forOrganizations needing standards-based federation
A standards-focused, free SSO foundation for teams comfortable managing identity infrastructure.
- Built-in MFA
- Adaptive access
8.2/10★★★★☆Visit Shibboleth -
Best forHybrid, private-cloud, or air-gapped SSO
A broad, deployment-flexible SSO platform for organizations with complex identity needs.
- Adaptive access
8.1/10★★★★☆Visit SecureAuth -
Best forCommerce and customer-identity deployments
A broad SSO and CIAM platform for commerce teams that can work without a free tier.
- Adaptive access
8.0/10★★★★☆Visit LoginRadius -
Best forB2B SaaS products needing embedded enterprise SSO
Embedded SSO and customer identity features for B2B SaaS products.
- Adaptive access
7.9/10★★★★☆Visit Frontegg -
Best forSaaS vendors onboarding enterprise customers
A developer-focused path to enterprise SSO, provisioning, and access controls.
7.8/10★★★★☆Visit WorkOS
Apereo CAS Alternatives: Common Questions
What is the best alternative to Apereo CAS?
authentik: #1 in our Single Sign-On Software ranking, with an editor score of 9.4 out of 10. Flexible self-hosted SSO with a free open-source edition and paid access controls.
Is there a free alternative to Apereo CAS?
Yes. authentik, WSO2 Identity Server, Keycloak, Google Cloud Identity and Zoho Directory have a free plan or a free tier (10 of the 15 alternatives on this page).
What is the cheapest paid alternative to Apereo CAS?
Of the alternatives here that publish a price, miniOrange Identity and Access Management starts lowest, at $2/user/mo.
Why do people look for Apereo CAS alternatives?
Self-hosted deployment places more responsibility on the institution; Verified integration breadth is narrower than higher-ranked options; MFA and risk-scoring references include development documentation.
Which Apereo CAS alternative has the most prebuilt app count?
Zoho Directory, with 350.
How do I switch from Apereo CAS?
Export your data from Apereo CAS (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Apereo CAS.
How to Switch from Apereo CAS
- Export your data from Apereo CAS (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Apereo CAS.
Apereo CAS vs Each Alternative
| # | Tool | Free plan | Paid from | SSO protocols | Score |
|---|---|---|---|---|---|
| 9 | Apereo CAS | Yes | Free | CAS, SAML 2.0, OAuth 2.0, OpenID Connect | 8.5 |
| 1 | authentik | Yes | $5/user/mo | OAuth2/OpenID Connect, SAML2, LDAP, SCIM, RADIUS, Kerberos, WS-Federation | 9.4 |
| 2 | WSO2 Identity Server | Yes | Free | OAuth, OpenID Connect, SAML 2.0 | 9.2 |
| 3 | Keycloak | Free | OpenID Connect, OAuth 2.0, SAML 2.0 | 9.1 | |
| 4 | Google Cloud Identity | Yes | $6/user/mo | SAML, OIDC | 9.0 |
| 5 | Ping Identity Platform | No | OpenID Connect, SAML, WS-Federation, OAuth 2.0 | 8.9 | |
| 6 | PingOne | No | $3/user/mo | SAML, OpenID Connect (OIDC), OAuth 2.0 | 8.8 |
| 7 | miniOrange Identity and Access Management | No | $2/user/mo | SAML, OAuth, OpenID Connect, WS-Federation | 8.7 |
| 8 | Zoho Directory | Yes | SAML 2.0, OpenID Connect (OIDC), JWT | 8.6 | |
| 9 | AWS IAM Identity Center | Yes | Free | SAML 2.0, OAuth 2.0, OIDC | 8.4 |
| 10 | Ory | Yes | SAML 2.0, OpenID Connect (OIDC), OAuth 2.0 | 8.3 | |
| 11 | Shibboleth | Yes | Free | SAML 1.1, SAML 2.0, OpenID Connect, CAS | 8.2 |
| 12 | SecureAuth Identity Platform | No | SAML; WS-Federation; WS-Trust; OAuth 2.0; OpenID Connect; RADIUS | 8.1 | |
| 13 | LoginRadius | No | SAML 1.1, SAML 2.0, JWT, OAuth 2.0, OpenID Connect | 8.0 | |
| 14 | Frontegg | Yes | SAML 2.0, OpenID Connect | 7.9 | |
| 15 | WorkOS | Yes | $125/mo | SAML, OIDC | 7.8 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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