GAuth Authenticator is described as 'A simple application for multi-factor authentication, written in HTML using jQuery Mobile, jsSHA, LocalStorage and Application Cache. It implements the TOTP (Time-Based One-Time Password) algorithm according to RFC6238 and has been tested to work with Google Authenticator' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to GAuth Authenticator for a variety of platforms, including Android, iPhone, Android Tablet, iPad and Windows apps. The best GAuth Authenticator alternative is Proton Authenticator, which is both free and Open Source. Other great apps like GAuth Authenticator are Aegis Authenticator, Keepass2Android, 2FA Authenticator (2FAS) and Authy.
Invantive Authenticator is a two-step verification solution for use with TOTP-protected websites and products such as Exact Online. Made in Holland by a partner of Exact, awarded accountancy app partner of the year 2017.
Netherlands
EU
BelgiumEU
TOTP Authenticator makes it simple and easy to enable 2-factor authentication on your accounts. The app provides option to backup data offline or on the cloud. Features like Push to Chrome, dark theme, custom icons and widgets make the app stand out.
India
Keepass2Android is an open source password manager application for Android. It reads and writes .kdbx-files, the database format used by the popular KeePass 2.x Password Safe for Windows and other desktop operating systems.
GermanyEU
Sentinel is an elegant OTP Authenticator app for both iOS and MacOS. It relies only on the Apple's iCloud Keychain to share data across devices.
HENNGE OTP Generator is a virtual device application for multi-factor authentication (MFA), so-called two-step verification, which generates time-based one-time passwords (OTP).
Japan
SecKey provides one time passwords to be used with the two factor authentication of Dropbox, Google, Facebook, GitHub, Proton Mail and many more.
SwedenEU
With Authomator, you can quickly generate two-factor authentication codes for your favorite services that use two-step verification on your BlackBerry 10 device. Simply scan the QR codes provided by the service, or manually enter the generated code, and you'll easily...
United States
Token2 mobile application can be used with Token2 service, or any other TOTP and Mobile-OTP compliant service with additional features such as possibility of PIN code protection for TOTP profiles and QR code based enrollment for Mobile-OTP profiles.
Switzerland
Two-step verification app with offline code generation, HOTP and TOTP support, biometric login, local auto backup, QR and image import, multi-language interface, account personalization, dark mode, label grouping, and data privacy controls for secure management.
India
