Apps similar to CryptoPhoto include 2FA Authenticator (2FAS), which is free and open source. Other options are Authy, Google Authenticator, FreeOTP and Authenticator Extension. There's no shortage of Authenticators like CryptoPhoto, with more than 25 alternatives for iPhone, Android, iPad, Mac and Linux.
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...
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
Coffer is a self-hosted, multi-user authenticator vault. It generates TOTP codes in the browser and encrypts each user's vault before storing it on the server. It also supports QR imports, groups, backups, and 2fas transfers.
Türkiye
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
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
One-time password generator for RFC6238-based two-factor authentication that allows seamless transfer of one-time passwords from mobile phone to desktop browser via notification sounds.
2faConsole is a lightweight, cross-platform two-factor authentication (2FA) console application built with C# .NET. It uses the dependency-free Pxoqxo.Otp2fa library to provide secure, terminal-based OTP management.
