FusionAuth offers powerful Single Sign-On (SSO) features that allow users to log in just once and gain access to numerous applications effortlessly. It is compliant with key industry protocols such as SAML v2, OIDC, and OAuth2, which guarantees its interoperability with various systems and identity providers. With a variety of deployment options available—ranging from on-premises to hybrid and cloud solutions—FusionAuth enables businesses to streamline identity management while maintaining security and control. Its API is designed for developers and the user interface can be tailored, facilitating seamless SSO integration throughout your application ecosystem, thereby enhancing implementation speed and user satisfaction.