If you are looking for more features or an enterprise solution, you might want to consider closed source alternatives. Some of them has decent free tier.
A robust BaaS platform that offers a suite of tools and infrastructure for building, testing, and scaling applications
Auth0 is a versatile identity management platform offering secure authentication, single sign-on (SSO), and authorization, designed for seamless integration with web, mobile, and API applications. It supports multi-provider logins, multi-factor authentication, and role-based access control, providing robust security and smooth login experiences across platforms.
Enhance user experiences and streamline authentication processes while ensuring robust security across your applications
Okta is a powerful identity management solution that provides comprehensive tools for managing user authentication and access control. It simplifies the login process for both customers and employees, allowing organizations to implement secure and seamless access to applications and services. With features like single sign-on (SSO), multifactor authentication (MFA), and lifecycle management, Okta helps businesses protect sensitive data while improving user productivity.
Effortlessly manage user identities and streamline authentication with customizable UI components and powerful APIs
Clerk is an advanced user management platform that offers a complete suite of tools for authentication, including embeddable UI components and flexible APIs. Designed for developers, it allows for quick integration of sign-in, sign-up, and user profile functionalities into applications without the hassle of redirects or complex setups. With Clerk, businesses can enhance security while providing a seamless user experience that aligns with their branding.
Quickly integrate secure authentication features into your applications while enhancing user experience and security
FusionAuth is a comprehensive identity and access management platform that enables developers to implement robust authentication solutions with ease. It provides a wide range of features, including user registration, single sign-on (SSO), multifactor authentication (MFA), and passwordless login options. Built with an API-first approach, FusionAuth allows for seamless integration into various applications, ensuring that developers can add authentication capabilities in days rather than months.
Simplify user authentication and enhance security with a solution designed for modern businesses
OneLogin is a leading identity and access management service that provides organizations with the tools to secure user identities and streamline authentication processes. With features like single sign-on (SSO), multifactor authentication (MFA), and automated user provisioning, OneLogin enables businesses to manage access to applications efficiently while ensuring robust security measures are in place. The platform is designed to enhance user experience by allowing seamless access to multiple applications with a single set of credentials.
A scalable identity and access management solution for applications