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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Amazon CloudFront
Amazon CloudFront is a rapid content delivery network (CDN) service that efficiently distributes data, videos, applications, and APIs to users worldwide with minimal latency and high transfer speeds, all within a user-friendly framework for developers. This CDN is closely integrated with AWS, utilizing both physical sites connected to the AWS global infrastructure and various other AWS services. It operates in harmony with offerings like AWS Shield for DDoS protection, Amazon S3, Elastic Load Balancing, or Amazon EC2 as the source for your applications, and Lambda@Edge, which allows you to execute custom code nearer to the end-users to enhance their experience. Notably, if AWS origins like Amazon S3, Amazon EC2, or Elastic Load Balancing are utilized, there are no charges for data transferred between these services and CloudFront. Moreover, you can tailor the code executed at the CDN edge using serverless computing capabilities, ensuring an optimal blend of cost efficiency, performance, and security while delivering content. This flexibility makes CloudFront an excellent choice for developers aiming to create a responsive and secure content delivery experience.
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Nextless.js
Accelerating the creation of scalable and production-ready SaaS products is made easy with Nextless.js, a robust SaaS starter kit tailored for developers utilizing Next.js and serverless technologies. This kit encompasses crucial features like AWS Cognito for seamless authentication, which includes options for email and social logins, as well as multi-factor authentication and Stripe integration for managing subscription payments, complete with webhook capabilities. Enhancing team productivity, it allows users to invite colleagues via email and provides support for multi-tenancy through tenant isolation implemented via the silo model. Additionally, developers gain access to pre-built user and admin dashboards, customizable forms, and a responsive landing page styled with Tailwind CSS. Aiming for an optimal developer experience, Nextless.js incorporates tools such as TypeScript, ESLint, Prettier, and Husky, while fully utilizing the AWS ecosystem, including services like Amplify, API Gateway, and AWS CDK for streamlined deployment and management. Ultimately, this starter kit not only accelerates development but also ensures that applications are equipped with modern features and best practices to thrive in today's competitive market.
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