Auth.js adoption guide: Overview, examples, and alternatives

Auth.js simplifies the implementation of user authentication in web applications, supporting various strategies like OAuth and SSO. Originally called NextAuth, it was redesigned to work not just with Next.js but various JavaScript frameworks. With built-in support for numerous databases, Auth.js handles essential functionalities such as user registration, login, and session management. Despite its learning curve and some criticisms, it remains a comprehensive solution for secure authentication. The guide provides a step-by-step tutorial to set up Auth.js in a Next.js project and demonstrates its customization capabilities.