FusionAuth is the authentication and authorization platform engineered for developers who demand flexibility and control. Built from the ground up to integrate with any stack, every feature — from user registration to MFA and SSO — is exposed via a modern, well-documented API.
Support for every major identity protocol is included out of the box: OIDC, SAML, OAuth2, JWT, passwordless login, social sign-on, and more. Whether you’re building a greenfield app or retrofitting auth into a legacy system, FusionAuth adapts to your use case — not the other way around.
Need compliance? FusionAuth helps you meet GDPR, HIPAA, and COPPA standards quickly and reliably.
Deploy it your way: install on Linux, Windows, macOS, Docker, or Kubernetes — or go with FusionAuth Cloud, our managed SaaS hosting. No black boxes. No vendor lock-in. Just powerful, customizable auth that works the way you do.
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Auth0 takes a modern approach to Identity and enables organizations to provide secure access to any application, for any user. Auth0 is highly customizable, and simple yet flexible. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation.
With Auth0, you can rapidly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control.
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Sveltepack
Sveltepack serves as a robust boilerplate for SvelteKit, aimed at accelerating the creation of web applications by offering a suite of essential integrations and features ready to use. It includes functionalities for user registration and login, featuring email verification and password recovery, while also supporting various authentication methods via Supabase. Payment processing is simplified through Stripe, which allows for easy management of both transactions and subscriptions. The user interface benefits from Tailwind CSS and Skeleton UI, ensuring a responsive and visually appealing design. Additionally, Sveltepack incorporates email services from providers like Mailjet, which streamlines communication processes. Project management is enhanced through the inclusion of tools such as Trello, ensuring that development remains organized. Furthermore, the boilerplate is designed with search engine optimization in mind, improving online discoverability. By offering these ready-made components, Sveltepack empowers developers to concentrate on crafting distinctive functionalities, ultimately decreasing the overall development timeline. This approach not only speeds up the launch of projects but also allows for a greater focus on creativity and innovation.
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SvelteLaunch
SvelteLaunch: Your Ultimate Svelte 5 Boilerplate for Accelerating SaaS and AI Application Development
Highlighted Features:
- Database and Authentication: Enjoy effortless database management and secure server-side authentication with integrated Supabase functionality right from the start.
- Payments Integration: Simplify payment processing through Stripe, providing users with quick and secure transaction experiences.
- Transactional Emails: Ensure your users stay updated with dependable automated email notifications powered by Mailgun.
- Reusable Components: Enhance efficiency and preserve design consistency with a collection of pre-designed, reusable components specifically crafted for Svelte 5.
- Automated SEO: Improve your online visibility effortlessly using integrated automated SEO tools, helping your project reach a broader audience.
- AI Ready: Benefit from a secure 1:1 coverage API designed for developing AI applications utilizing the OpenAI API.
- Styling: Design stunning websites effortlessly using TailwindCSS and Skeleton UI, allowing for a visually appealing user experience while maintaining responsiveness.
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