Best Authentication Software in 2026

1Password

1Password is a password manager for Android, iOS, Linux, macOS, Windows, and the web.

Descope

Descope is a customer and agentic identity platform for authentication, user management, authorization, and identity journeys.

Okta Customer Identity Cloud

Okta Customer Identity Cloud, also known as Auth0, helps organizations provide secure access to applications for users.

Supabase

Supabase is a backend platform built around a Postgres database, with services for authentication, file storage, realtime data, and server-side functions.

Microsoft Defender for Business

Clerk

Clerk provides full-stack authentication and user management for applications, including Organizations and Billing.

Logto

Logto provides identity and access management for modern apps and SaaS products, covering authentication and authorization.

IBM Verify

MojoAuth

MojoAuth provides passwordless authentication for consumer apps through one API for customer sign-in across web and mobile.

authentik

authentik is an open-source, self-hostable identity and access management product for organizations managing workforce and customer access.

Frontegg

Frontegg provides customer identity and access management for customer-facing applications.

Stytch

Stytch is an identity platform for applications used by people and AI agents, bringing authentication, authorization, and security tools together.

ZITADEL

ZITADEL provides identity and access management for customers, employees, devices, and services.

Authsignal

Entrust Identity App

Entrust Identity App provides one-time passcodes for signing in to websites, VPNs, and other online resources, and can verify transactions by showing…

JumpCloud Protect

JumpCloud Protect is a mobile authentication app for iOS and Android.

Keycloak

Keycloak is open-source identity and access management software that adds authentication to applications and secure services, leaving those systems…

Amazon Cognito

Amazon Cognito provides sign-up, sign-in, access control, and brokered AWS service access for web and mobile applications.

Authelia

Authelia is an open-source authentication and authorization server and portal that adds multi-factor authentication and single sign-on to applications.

SecureAuth Workforce Authority

SecureAuth Workforce Authority is an identity and access product for securing workforce users, devices, and applications across modern and legacy environments.

Apereo CAS

Apereo CAS is a free, open-source identity provider and middleware for web authentication and authorization.

Gluu Flex