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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LaunchFast
LaunchFast delivers all-inclusive SaaS starter kits tailored for frameworks like Astro, Next.js, and SvelteKit, aimed at accelerating project launches by incorporating vital functionalities such as SEO optimization, analytics tracking, user authentication, payment processing, and email capabilities. These versatile kits offer support for a range of databases, including MongoDB, Firestore, PostgreSQL, Redis, and SQLite, ensuring adaptability in managing data effectively. Additionally, they enable effortless file and document storage by leveraging services such as AWS S3, Cloudflare R2, Firebase Storage, and Supabase Storage. The user authentication process is simplified with options for email and password logins, OAuth 2.0, password reset capabilities, and email verification, along with social login features from major platforms like Google, Facebook, and GitHub. To facilitate billing and payment processing, the kits are integrated with Stripe and LemonSqueezy, allowing for international transactions while ensuring tax compliance. Furthermore, the content management aspect is optimized through the creation of dynamic blog pages and responsive documentation, making use of Markdown and MDX, which enhances overall user experience and engagement. LaunchFast's starter kits are designed to empower developers to focus on building innovative applications rather than getting bogged down by foundational setup tasks.
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Launchnow
Launchnow serves as an all-encompassing SaaS boilerplate that expedites the creation of web applications, GPT Actions, and AI-driven tools. It employs SvelteKit for swift front-end development while utilizing NestJS to manage intricate backend operations. The platform operates on PostgreSQL, overseen by Prisma ORM, and features Tailwind CSS for creating responsive user interfaces. Among its offerings are user authentication through OAuth 2.0, Stripe for payment processing, SEO-friendly blogs with automatic sitemap generation, and a headless CMS for efficient content management. By supplying these pre-built components, Launchnow allows developers to concentrate on the distinctive features of their projects, significantly cutting down on both development time and effort. Users benefit from lifetime access to the source code and all forthcoming updates, with no ongoing fees required. Everything within this platform is expertly crafted in TypeScript, ensuring a modern and efficient coding environment for developers. In essence, Launchnow not only simplifies the development process but also empowers developers to innovate freely.
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