Software Alternatives, Accelerators & Startups

Authy

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

Some of the top features or benefits of Authy are: Multi-device synchronization, Encrypted backups, Offline usage capability, Desktop app available, and Security features. You can visit the info page to learn more.

Best Authy Alternatives & Competitors in 2025

The best Authy alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. 230

    Google Authenticator is a multifactor app for mobile devices.

    Key Google Authenticator features:

    Enhanced Security Offline Access Compatibility Free of Charge

    free

    /google-authenticator-alternatives
  2. 138

    Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.

    Key Duo Security features:

    Easy Integration User-Friendly Comprehensive MFA Options Strong Security Features

    /duo-security-alternatives
  3. Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

    Key ComplyCube features:

    AML & Sanctions Screening PEP Checks Negative Media Screening Watchlist Screening

    Try for free freemium $0.1 (per credit)

    Try for free
  4. 109

    Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.

    Key Azure Multi-Factor Authentication features:

    Enhanced Security Flexible Authentication Options Integration with Microsoft Services Compliance Support

    /azure-multi-factor-authentication-alternatives
  5. 66

    OpenSSL is a free and open source software cryptography library that implements both the Secure Sockets Layer (SSL) and the Transport Layer Security (TLS) protocols, which are primarily used to provide secure communications between web browsers and ….

    Key OpenSSL features:

    Open Source Widely Used Comprehensive Documentation Regular Updates

    Open Source

    /openssl-alternatives
  6. 84

    One app to quickly and securely verify your identity online, for all of your accounts.

    Key Microsoft Authenticator features:

    Enhanced Security Ease of Use Integration with Microsoft Ecosystem Push Notifications

    /microsoft-authenticator-alternatives
  7. 50

    LastPass is an online password manager and form filler that makes web browsing easier and more secure.

    Key Lastpass features:

    Security Convenience Cross-Platform Support Password Generator

    /lastpass-alternatives
  8. 66

    Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG). .

    Key Let's Encrypt features:

    Free of Charge Automated Certificate Issuance and Renewal Ease of Use Security

    Open Source

    /let-s-encrypt-alternatives
  9. 68

    Ensighten provides enterprise tag management solutions that enable businesses manage their websites more effectively.

    Key Ensighten features:

    Security Compliance Tag Management Real-Time Data

    /ensighten-alternatives
  10. 50

    Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...

    Key Aegis Authenticator features:

    Open Source No Ads or Tracking Secure Backup Options Import/Export Options

    /aegis-authenticator-alternatives
  11. 47

    Auth0 is a program for people to get authentication and authorization services for their own business use.

    Key Auth0 features:

    Ease of Use Security Scalability Customization

    Open Source

    /auth0-alternatives
  12. 42

    Bitwarden is a free and open source password management solution for individuals, teams, and business organizations.

    Key bitwarden features:

    Open Source Cross-Platform Compatibility End-to-End Encryption Affordable Pricing

    Open Source freemium $10.0 / Annually (Premium)

    /bitwarden-alternatives
  13. 53

    The Spring portfolio has many projects, including Spring Framework, Spring IO Platform, Spring Cloud, Spring Boot, Spring Data, Spring Security...

    Key Spring Security features:

    Comprehensive Security Features Integration with Spring Ecosystem Customizable Active Community and Support

    Open Source

    /spring-security-alternatives
  14. 36

    On-demand SSO, directory integration, user provisioning and more.

    Key OneLogin features:

    User-Friendly Interface Single Sign-On (SSO) Capabilities Comprehensive Integrations Enhanced Security Features

    /onelogin-alternatives
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