Auth (29)

AWS Cognito- Fully managed customer identity and access management (CIAM) service from Amazon supporting user authentication, social login, passwordless methods, and secure access to AWS resources.SOC 2HIPAAGDPRAWS
Auth0- Auth0 is a comprehensive identity platform providing authentication, authorization, and user management for applications. Developers use it to handle secure login, multi-factor authentication, role-based access control, and compliance-ready user identity at scale.SOC2HIPAAGDPR
Authelia- An open source single sign-on and authorization server for applications running behind reverse proxies with MFA and WebAuthn support.
Authentik- Open-source identity provider supporting OAuth 2.0, OpenID Connect, SAML 2.0, LDAP, with FIDO2/passkey support and flexible self-hosted or managed deployment for enterprise authentication.
Better Auth- Framework-agnostic, open-source authentication and authorization library for TypeScript with comprehensive features including 2FA, passkeys, multi-tenancy, multi-session, and plugin ecosystem.
Beyond Identity- A strong authentication platform that eliminates shared secrets by implementing passwordless, device-bound authentication using public-private keypairs and biometrics.
Cerbos- An open source authorization engine providing fine-grained access control and policy-based authorization.
Clerk- Clerk is a modern authentication and user management platform that provides pre-built sign-up, sign-in, and profile components for web and mobile apps. Developers use it to quickly add passwordless authentication, social login, and user management without building from scratch.SOC2GDPR
Descope- No-code/low-code CIAM platform with drag-and-drop workflow builder for creating passwordless and frictionless authentication journeys, supporting SSO, MFA, and fraud prevention for B2C and B2B applications.
Firebase Authentication- Google's backend authentication service providing email/password, phone authentication, social login (Google, Facebook, Apple, etc.), and integration with Firebase services and Google Cloud.Google Cloud
Frontegg- A modern Customer Identity and Access Management (CIAM) platform for SaaS applications providing low-code advanced features like MFA and SSO.
FusionAuth- Self-hostable authentication and authorization platform with SSO, MFA, OAuth2, SAML, and user management. Runs anywhere — Docker, Kubernetes, bare metal, or FusionAuth Cloud.SOC2HIPAAGDPR
Gluu- An open source identity and access management server providing authentication, authorization, and federation capabilities.
Hanko- An open source authentication platform specializing in passwordless login via WebAuthn.
Keycloak- Open-source identity and access management solution supporting OAuth 2.0, OpenID Connect, SAML 2.0, with SSO, user federation, identity brokering, and fine-grained authorization.
Kinde- Modern developer-first authentication and user management platform with built-in billing and feature management, supporting social login, passwordless auth, MFA, and RBAC for B2B and B2C applications.
Logto- A modern authentication platform designed for SaaS, AI agents, CLI workflows, and MCP servers. Logto enables secure user authentication with first-class support for machine-to-machine tokens, personal access tokens, and API keys—allowing both humans and headless agents to authenticate and call APIs securely with multi-tenancy and organization-aware tokens.free tier
Magic- A passwordless authentication provider specializing in Web3 and blockchain applications with wallet authentication and email magic links.
MoltID- OAuth-style identity verification and trust scoring system for autonomous agents and bots.
NextAuth.js- Open-source authentication library for Next.js applications that simplifies session management, OAuth/OIDC provider integration, email/passwordless sign-in, and JWT handling without requiring a backend. Developers use it for quick auth setup with minimal configuration, broad provider support, and the ability to bring their own database or run database-free.free tiervercel
Okta- Enterprise-grade identity and access management (IAM) platform providing SSO, adaptive MFA, device access, and lifecycle management for workforce and customer identity (via Auth0 acquisition).SOC 2HIPAAFedRAMP
OneLogin- Enterprise identity and access management (IAM) platform offering workforce and customer identity (CIAM) with SSO, MFA, cloud directory, and scalable support for millions of users.SOC 2HIPAA
Ory- Modern, modular identity and access management platform with cloud-native identity services (Ory Kratos), supporting passwordless auth, OAuth 2.0, OIDC, SAML, and federated identity brokering.
Oso Cloud- A specialized authorization-as-a-service platform that provides fine-grained access control with a declarative Polar language for developers.
Stytch- Developer-focused passwordless authentication platform supporting magic links, OTPs, passkeys, OAuth, and passwordless recovery, designed for seamless multi-platform sign-in.
Supabase Auth- Supabase Auth is an open-source authentication service built on PostgreSQL and PostgreSQL Row Level Security, providing email/password, OAuth, and passwordless login options. Developers use it for its tight integration with Supabase's backend, generous free tier, and ease of setup compared to rolling custom auth.SOC2HIPAAGDPRsupabase
SuperTokens- Open-source authentication library with self-hosted backend option, supporting email/password, social login, session management, MFA, and multi-tenancy with frontend SDKs for multiple frameworks.
WorkOS- An enterprise-grade authentication and user management platform built for B2B applications with support for SSO, multi-tenancy, and organizations.
Zitadel- Open-source identity infrastructure platform built in Go with OAuth 2.0, OpenID Connect, SAML 2.0, passkey support, multi-tenancy, and custom actions, designed as modern alternative to Keycloak and Okta.