Apps similar to FreeOTP include Bitwarden, which is open source with a free version. Other options are KeePass, Aegis Authenticator, Proton Authenticator and Ente Auth. There's no shortage of Authenticators like FreeOTP, with more than 50 alternatives for Android, iPhone, iPad, Mac and Windows.
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.
Belgium
EU
Chronos is an open-source two-factor authentication (2FA) app designed to deliver robust security and reliable backup features. It supports both time-based (TOTP) and counter-based (HOTP) authentication methods.
Singapore
Allthenticator unifies digital and physical access with one smartphone-based identity. Users log in to systems and unlock doors via proximity. Supports SSH keys, passkeys, OTP, and peer-based recovery—all managed from a single admin dashboard.
United States
Clockode is a minimal, and offline-only TOTP code generator that stores your authentication secrets in an encrypted local vault, keeping your two-factor codes private and accessible without needing an internet connection.
Effortlessly share 2FA SMS with your team. This number works with all services, from WhatsApp to ChatGPT, and connects to numerous tools through Zapier or our webhook integration.
Open-source web app for personal security checklists and habit tracking with task prioritization, profile-based progress, minimal interface, data privacy, no analytics, and local storage for individual users, supporting multiple checklists and Docker deployment.
Türkiye
Privacy-first two-factor authentication for iPhone, iPad, Mac, and Android that creates offline TOTP codes, imports accounts, syncs encrypted backups, provides biometric or PIN protection, organizes entries with search and icons, and highlights weak security setups.
Türkiye
🔐 Personal 2FA - Secure, encrypted TOTP authenticator with multi-format import/export, OpenSSL compatibility, and bilingual support (ES/EN).
SpainEU
QuickOTP is a privacy-first authenticator app built exclusively for macOS. Whether you're securing personal logins or professional tools, QuickOTP offers a fast, stable, and secure way to manage your one-time passwords across all your accounts.
PortugalEU
Fast, offline 2FA codes in your browser — TOTP two-factor authentication. Quick import from Google Authenticator.
Open-source 2FA authenticator for iPhone, iPad, Mac and Apple Watch. Generates TOTP and HOTP codes, stores secrets in Keychain, supports encrypted optional iCloud Sync, QR imports, backups, biometric locks and Apple Watch access without an iPhone.
United States
