• Native Integration with Next.js: NextAuth.js is designed specifically for Next.js, making it a natural fit for projects in this ecosystem. The API routes and server-side rendering capabilities are leveraged for secure and efficient authentication flows. • Support for Multiple Providers: The library offers out-of-the-box support for a wide range of OAuth providers (Google, GitHub, Twitter, etc.), as well as email, passwordless, and custom credentials authentication. This flexibility covers most common use cases without requiring extensive custom code. • Session Management: It handles session management robustly, supporting both JWT and database-backed sessions. This allows developers to choose between stateless and stateful approaches depending on their deployment needs. • Security Features: Built-in protections like CSRF mitigation, secure cookie handling, and token encryption are standard, reducing the risk of common vulnerabilities. • Customizability: While the default setup is straightforward, NextAuth.js exposes hooks and callbacks for customizing authentication flows, session data, and provider logic. This extensibility is valuable for more advanced requirements. • Community and Maintenance: As a widely adopted open-source project, NextAuth.js benefits from regular updates and an active community, which helps address bugs and security issues quickly.