Wren:AM is described as 'All-in-one access management solution providing strong and adaptive authentication, authorization, single sign-on (SSO), entitlements, federation and web services security' and is an app. There are more than 10 alternatives to Wren:AM for a variety of platforms, including Self-Hosted, SaaS, Web-based, Linux and Windows apps. The best Wren:AM alternative is Keycloak, which is both free and Open Source. Other great apps like Wren:AM are Authelia, Auth0, Clerk Authentication and AWS Identity and Access Management.