2fa is described as 'Two-factor authentication on the command line' and is an app in the security & privacy category. There are more than 50 alternatives to 2fa for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Mac apps. The best 2fa alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like 2fa are Proton Authenticator, Ente Auth, Bitwarden Authenticator and 2FA Authenticator (2FAS).
Kerveros is a robust two-factor authentication code generator that combines ease of use with enterprise-grade security. It generates time-based one-time passwords (TOTP) for your online accounts while keeping your secrets encrypted and protected.
MFAuth is a free and secure application that offers 2-step verification for managing your online accounts and services, thus helping to protect your accounts from hackers.
