Tofu Authenticator is described as 'Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to Tofu Authenticator for a variety of platforms, including iPhone, Android, iPad, Mac and Windows apps. The best Tofu Authenticator alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like Tofu Authenticator are Bitwarden Authenticator, Authy, Google Authenticator and FreeOTP.