CAS Alternatives

CAS is described as 'Apereo CAS - Enterprise Single Sign On for the Web' and is an app. There are more than 10 alternatives to CAS for a variety of platforms, including Self-Hosted solutions, Linux, Windows, Online / Web-based and SaaS. The best alternative is Keycloak, which is both free and Open Source. Other great apps like CAS are FreeIPA, Ory, authentik and LemonLDAP::NG.

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CAS

Free • Open Source

Mac
Windows
Linux
Online
Self-Hosted

Apereo CAS - Enterprise Single Sign On for the Web.

Learn more about CAS

Keycloak
Is this a good alternative?
Yes
No
Free • Open Source
Identity Management Tool
Linux
Self-Hosted
61 alternatives to Keycloak
Open Source Identity and Access Management for modern Applications and Services.
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Keycloak Features
Single Sign-On
SAML Single Sign-On
Multi-Factor Authentication (MFA)
Federated
Access Control
FreeIPA
Is this a good alternative?
Yes
No
Free • Open Source
Linux
15 alternatives to FreeIPA
FreeIPA is an integrated security information management solution combining Linux (Fedora), 389 Directory Server, MIT Kerberos, NTP, DNS, Dogtag (Certificate System). It consists of a web interface and command-line administration tools.
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FreeIPA Features
DNS Server
LDAP Services
Kerberos
Web interface
Ory
Is this a good alternative?
Yes
No
Freemium • Proprietary
Identity Management Tool
Software as a Service (SaaS)
41 alternatives to Ory
Ory builds cloud-native authentication (login), authorization (permission), delegation (OAuth2, OpenID Connect), and user management software. You can deploy what you need yourself or use the Ory Cloud Platform and get started in minutes.
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Ory Features
1. Two-factor AuthenticationOry supports two-factor authentication (2FA).
User Management
OpenID Provider
Access Control
OpenID Connect
Multi-cloud access control
authentik
Is this a good alternative?
Yes
No
Free • Open Source
Self-Hosted
33 alternatives to authentik
authentik is an open-source identity provider focused on flexibility and versatility.
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authentik Features
LDAP support
Self-hosted
Access Control
Single Sign-On
LemonLDAP::NG
Is this a good alternative?
Yes
No
Free • Open Source
Windows
Linux
Self-Hosted
15 alternatives to LemonLDAP::NG
LemonlLDAP::NG is a modular Web-SSO based on Apache::Session modules. It simplifies the build of a protected area with a few changes in the application. It manages both authentication and authorization and provides headers for accounting.
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LemonLDAP::NG Features
1. Two-factor AuthenticationLemonLDAP::NG supports two-factor authentication (2FA).
Single Sign-On
Access Control
SAML Single Sign-On
OpenAM
Is this a good alternative?
Yes
No
Free • Proprietary
Windows
Linux
BSD
16 alternatives to OpenAM
OpenAM provides open source authentication, authorization, entitlement and federation software. Through OpenAM, the community actively continues development of OpenSSO.
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OpenAM Features
Access Control
Single Sign-On
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Connect2id Server
Is this a good alternative?
Yes
No
Paid • Proprietary
Online
Self-Hosted
11 alternatives to Connect2id Server
OpenID Connect / OAuth 2 server for single sign-on, identity provision and federation, and securing web APIs with access tokens. Supports profiles for fintech applications, eHealth, eGovernment and others.
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Connect2id Server Features
Single Sign-On
Federation
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Gluu Server
Is this a good alternative?
Yes
No
Freemium • Open Source
Identity Management Tool
Online
Self-Hosted
32 alternatives to Gluu Server
The Gluu Server is a container distribution of free open source software (FOSS) for identity and access management (IAM). SaaS, custom, open source and commercial web and mobile applications can leverage a Gluu Server for user authentication, identity information, and policy...
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Gluu Server Features
1. Two-factor AuthenticationGluu Server supports two-factor authentication (2FA).
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Shibboleth
Is this a good alternative?
Yes
No
Free • Open Source
Windows
Linux
Self-Hosted
11 alternatives to Shibboleth
The Shibboleth software implements widely used federated identity standards, principally the OASIS Security Assertion Markup Language (SAML), to provide a federated single sign-on and attribute exchange framework.
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Shibboleth Features
Single Sign-On
Federated
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SimpleSAMLphp
Is this a good alternative?
Yes
No
Free • Open Source
Self-Hosted
9 alternatives to SimpleSAMLphp
SimpleSAMLphp is an application written in native PHP that deals with authentication. The main focus of SimpleSAMLphp is providing support for SAML 2.0 as a Service Provider (SP) and SAML 2.0 as an Identity Provider (IdP).
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SimpleSAMLphp Features
Single Sign-On