Tesseral Alternatives: Top 10 Multi-Factor Authentication (MFA) Software in 2025

OnlyKey is an open source alternative to YubiKey. A hardware password manager, two-factor security key, and file encryption token in one. Works with all websites including Twitter, Facebook, GitHub, and Google. Supports FIDO2 / U2F, Yubikey OTP, TOTP, and Challenge-response.

Centrify supports multi-factor authentication (MFA) for various vault operations such as account password checkout or privileged account login. Learn more!

DigitalPersona leverages an array of easily deployable authentication methods. Users can quickly and easily gain access to their cloud applications, such as Microsoft 365.

Provides phishing-resistant 2nd factor of authentication for high-value users. Works with many devices, browsers & services. Supports FIDO standards.

RSA SecurID Access is an enterprise-grade multi-factor authentication and access management solution. It protects all of your resources with a wide range of authentication methods.

Meet the YubiKey. The #1 Security Key, loved by millions around the world. YubiKey makes secure login easy. Just plug it in and touch the gold button.

Two-factor authentication (2FA) adds an additional layer of protection beyond passwords. Download our free app today and follow our easy to use guides to protect your accounts and personal information.

World-class out of the box Multi-Factor Authentication (MFA) Anywhere technology, built specifically for developers and Fraud Ops teams. Implementation in hours, protection for a lifetime. Authsignal pairs rich behavioral information like transaction velocity and windowed aggregations with custom data to secure even the most complex user journeys.

Team SMS, their 2FA codes are not only protected but they are also shared securely amongst their team members. No more hassle or stress about who has access to their codes, as this system ensures that only authorized individuals can unlock them. But wait, it gets better! This innovative technology allows them to access their real phone number for SMS communication. Say goodbye to the confusion of managing multiple phone numbers for different apps and services. With Team SMS, they can seamlessly switch between personal and work communication, all from one device. And that's not all. Team SMS is all about teamwork, which is why we have integrated with Zapier to make their team's communication even more efficient. Whether it's Slack, Microsoft Office 365, Google GMail, or Apple iCloud, this system works with any service that sends 2FA tokens via SMS. We know that security and efficiency are of utmost importance in the professional world. That's why Team SMS has created a user-friendly solution to streamline their team's communication and ensure the utmost protection for their sensitive information.

mPass is a multifactor authentication solution that provides better security for any organization looking to protect its employees from fraud attacks, phishing, and password related attacks by integrating with most of enterprise applications and systems to secure it with additional factor(s) of authentication.