Better Auth
TypeScript authentication framework with plugins for sessions, OAuth, and passkeys.
Overview
Better Auth is designed to provide a robust authentication solution for developers. It supports various frameworks and offers a plugin-based architecture for scalability and customization.
With features like social sign-on, multi-tenancy, and enterprise readiness, Better Auth caters to both small projects and large-scale applications.
Key features
- Composable plugin-based architecture
- 20+ framework support
- Built-in credential and social authentication
- Multi-tenancy with teams and roles
- Enterprise SSO and SAML 2.0
- Passkeys and magic links
- Real-time threat detection
- Audit logs and user management
- MCP auth for AI agents
- Bot detection and IP blocking
Pros
- Code-first, version-controlled configuration
- Extensive authentication method support
- Enterprise-ready with SSO and SCIM
- Active community with 900+ contributors
- Real-time security detection
- Flexible self-hosted infrastructure option
Cons
- Requires TypeScript knowledge
- Self-hosting infrastructure adds operational complexity
- Learning curve for advanced features like plugins
Use this if
You need a flexible, code-first authentication solution for TypeScript applications with enterprise features, multi-tenancy support, and the ability to self-host with full control over your auth infrastructure.
Skip this if
You require a fully managed authentication service without self-hosting responsibilities, or you're building non-TypeScript applications.
Best for
TypeScript applicationsMulti-framework projectsEnterprise authentication needsSelf-hosted deploymentsTeams and organizationsAI agent authentication
Alternatives
Auth0ClerkSupabase AuthFirebase AuthenticationOkta
More Auth
Compare allView Aglide
Aglide
SAML-less SSO platform that connects legacy and disconnected apps to your identity provider.
View Keycloak
Keycloak
Open-source identity broker with SSO, OIDC, SAML, and user federation for enterprises.