SuperTokens, Open Source User Authentication

SuperTokens is an open-source user authentication solution, backed by Y Combinator, designed for developers who prioritize speed, control, and cost-efficiency. It enables rapid implementation of robust authentication systems without vendor lock-in, ensuring full ownership of your user data and experience. Get started in just 5 minutes with prebuilt UI components or leverage frontend SDKs for custom login pages. Its unique, flexible architecture supports over 25 frameworks (JS, Go, Python, React, Angular, Vue, Android, Flutter, iOS) and offers powerful plugins like Tenant Discovery, Captcha Protection, and User Banning to customize authentication flows. SuperTokens empowers you to tailor authentication to specific needs, offering modular and reusable components. Trusted by startups and enterprises like Qloo, Stacker, and Curology, it provides exceptional support and a thriving community, making it a reliable choice for scalable and secure user management.