Best Multi-Factor Authentication Software 2026

Self-hosted RADIUS software for VPNs, SSL-VPN connections and portals, with OATH TOTP and HOTP token support.

Workforce sign-in platform for desktop, web, corporate apps and privileged access, with passwordless and MFA options.

Open-source authentication portal offering MFA and SSO for applications through OpenID Connect.

Authenticator for iOS, Android, Windows and macOS with push approvals.

It is aimed at IT teams managing endpoint and server deployment, patching, assets, and policies across complex environments.

Verilock uses TOTP, push approvals and geo-fencing for Android, iOS and API-connected applications.

Enterprise MFA with SSO and risk-based authentication for cloud and on-premise applications.

Identity and access service offering RADIUS, TACACS+, LDAP and SAML, plus OTPs from tokens, SMS or email.

Cloud MFA with push, OTP, hardware and FIDO2 factors, adaptive policies and passwordless access.