Clef Alternatives

Simply Strong Two-Factor Authentication LoginTC is best in class. Effortless Administration. Intuitive User Experience. Cost-effective solution for all organizations.

Open Source freemium $3.0 / Monthly (Professional Tier)

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!

Try for free Open Source free $49.0 / Monthly (Per connection)

DIGIPASS offers two-factor​ authentication solutions for mobile applications.

Rublon enables your workforce to securely access your organization's networks, servers and applications via easy-to-use multi-factor authentication. Protect cloud apps, VPNs, servers, workstations, internal as well as on-premise apps.

freemium $1.0 / Monthly (per user)

inWebo is a SaaS provider of Identity Protection & two-factor Authentication built to secure access to VPN, web sites, Mobile and Cloud Apps.

WiKID is an on-premise two-factor authentication solution.

Multi-factor authentication is becoming the standard. Secure your apps and VPN with strong MFA for adaptive, risk-based authentication.

Mi-Token was developed by cryptographic and bank security specialists, designed specifically for two-factor authentication within the banking industry.

Adaptive Security Manager is an Intelligent, affordable, adaptive multi-factor security for web applications.

Google Authenticator is a multifactor app for mobile devices.

free

privacyIDEA is an enterprise ready, open-source multi factor authentication system.

Open Source

MYDIGIPASS.COM protects the online accounts by adding an additional security layer to stop hackers who want to steal the identity and credentials.

passQi provides both an intelligent password management mobile app and a complementary server-side solution called mFactor to implement a proprietary Multi Factor Authentication login for WordPress and other web sites.