Tool category
Best Authentication Tools
Compare 12 authentication tools from the GuruStacks directory, including ratings, tags, and short descriptions.
Appwrite
4.6 rating
Open-source backend-as-a-service platform with authentication, databases, storage, functions, and messaging APIs.
Auth0
4.7 rating
Identity platform for application builders. Provides authentication, authorization, and user management with support for social login, SSO, MFA, and passwordless auth.
Clerk
4.4 rating
Complete user management and authentication platform for modern web applications. Provides embeddable UIs, multi-factor auth, SSO, and user management dashboards.
Duo Security
4.5 rating
Cisco Duo is a security-first identity and access management platform providing phishing-resistant MFA, SSO, and device trust for organizations of all sizes.
LastPass
4.2 rating
Password manager that securely stores credentials, generates strong passwords, and enables easy login across devices and browsers.
Memberstack
4.2 rating
Membership and authentication platform that adds user accounts, gated content, and payments to any website without code.
My Voice AI
Unrated
Voice biometric platform using tiny machine learning for real-time speaker verification across any device.
Nhost
4.2 rating
Open-source backend-as-a-service with PostgreSQL, GraphQL, authentication, and storage, similar to Firebase but with Postgres.
Outseta
4.4 rating
All-in-one SaaS toolkit combining billing, CRM, email marketing, help desk, and authentication so founders can launch faster without stitching together multiple tools.
RoboForm
4.4 rating
Leading password manager offering secure password storage, generation, and one-click logins across devices with advanced security features.
Stytch
4.4 rating
Developer-first identity platform offering authentication, authorization, and fraud protection for consumer apps and AI agents with multi-tenancy support.
WorkOS
4.4 rating
Developer platform for adding enterprise-ready features like SSO, SCIM directory sync, and audit logs to SaaS applications.