Apps similar to OTPClient include Aegis Authenticator, which is free and open source. Other options are Proton Authenticator, Bitwarden Authenticator, 2FA Authenticator (2FAS) and Authy. You're spoiled for choice with Authenticators like OTPClient: we list more than 50 alternatives for Android, iPhone, Linux, iPad and Mac.
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...
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
Authn8: The Team-First Authenticator for Secure 2FA Sharing
Authn8 is the authenticator built for modern teams, agencies, and enterprise workflows. Whether you're onboarding new staff, managing shared logins, or coordinating across departments, Authn8 simplifies secure 2FA h.
Australia
Download TU Latch, a second factor authentication (2FA) and authorisation (2FAuth) app that provides additional protection for your digital services with authorisation controls, TOTP access control and web browsing security from your computer.
Spain
EU
