Amazon Cognito
Customer identity and access management service for adding user sign-up, sign-in, and authentication to apps
Open-Source Projects
Discover top open-source software, updated regularly with real-world adoption signals.
Discover top open-source software, updated regularly with real-world adoption signals.
Comprehensive authentication and authorization library for TypeScript
Framework-agnostic authentication library for TypeScript with built-in 2FA, multi-tenant support, and a plugin ecosystem for advanced features with minimal code.
Better Auth is a framework-agnostic authentication and authorization library designed to solve the persistent authentication challenges in the TypeScript ecosystem. Unlike other solutions that require extensive custom code for anything beyond basic login flows, Better Auth delivers a comprehensive feature set out of the box.
The library provides essential authentication primitives alongside advanced capabilities through its plugin ecosystem. Two-factor authentication, multi-tenant architectures, OAuth/OIDC flows, and SSO integrations can be added with minimal configuration. This approach lets development teams ship secure authentication quickly without sacrificing flexibility or control.
Better Auth works seamlessly across TypeScript frameworks and runtime environments. Its MIT license ensures complete freedom to modify and deploy as needed. The project addresses a fundamental gap in the open-source ecosystem: providing production-ready authentication that doesn't force teams toward third-party services or require reinventing standard patterns. Whether building a SaaS platform, internal tool, or consumer application, Better Auth handles the authentication layer so teams can focus on core product development.
When teams consider Better Auth, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Multi-Tenant SaaS Platform
Deploy isolated authentication per tenant with role-based access control using built-in plugins, eliminating weeks of custom development.
Enterprise SSO Integration
Add OIDC and OAuth2 provider support to existing applications through plugin configuration without rewriting authentication logic.
Secure Internal Tools
Implement 2FA and session management for internal dashboards while maintaining full control over user data and authentication flows.
Framework Migration
Preserve authentication logic when migrating between TypeScript frameworks thanks to framework-agnostic architecture.
Yes, Better Auth is framework-agnostic and designed to work across any TypeScript environment, including Next.js, SvelteKit, Remix, Express, and others.
The plugin ecosystem includes two-factor authentication, multi-tenant support, OAuth/OIDC providers, SSO integrations, and other complex authentication patterns that can be added with minimal configuration.
Better Auth is MIT licensed and used in production environments. However, as a self-hosted solution, you are responsible for deployment, security hardening, and ongoing maintenance of your authentication infrastructure.
Better Auth offers full control and customization without vendor lock-in or per-user pricing, but requires you to host and maintain the authentication infrastructure yourself.
Yes, Better Auth is open source under MIT license. You can contribute to the source code, suggest new features, and report issues through the GitHub repository.
Project at a glance
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