The Best FreeOTPPlus Alternatives in 2026

OTPClient manages desktop TOTP and HOTP tokens with a GTK4 interface, QR and URI import, and command-line integration.

Mauth provides two-factor authentication for Android that supports TOTP and HOTP codes and compatibility with Google Authenticator.

Stratum Auth is an Android and Wear OS two-factor authentication client supporting TOTP and HOTP codes, encrypted backups, and account categories.

Keepass2Android, an Android password manager, that stores passwords and sensitive information in a protected database file, with sync options.

Yubico Authenticator is available for desktop systems and Android, providing access to Yubico Authenticator project releases and source code.

Ente provides an open-source, end-to-end encrypted cloud platform with apps for photos, authenticators, and other stored data.

Use 2FAuth, a web app, to manage two-factor authentication accounts and generate security codes.

KeyPass provides an offline password manager project for storing and managing passwords, described as an open-source application.

OTP Helper copies one-time passwords from SMS messages and notifications on Android, working offline without internet permission.

Awesome KeePass curates KeePass-compatible clients, libraries, plugins, tools, security research, and documentation in one project list.

Vaultwarden provides an unofficial Bitwarden-compatible server written in Rust, formerly known as bitwarden_rs.

The 2FA Directory lists websites and services that support two-factor authentication, including options such as SMS, email, calls, and security keys.

Ente Auth provides cross-platform two-factor authentication with end-to-end encrypted cloud backups for account tokens.

Store passwords and two-factor authentication tokens locally with 2FAS, which offers mobile apps and a browser extension.

Yubico Authenticator is a desktop and Android companion app for managing YubiKeys and accessing one-time passwords.

Use Stratum, an open-source Android app for generating two-factor authentication codes, with encrypted backups, account categories, and a Wear OS companion app.

Keyguard manages passwords in Bitwarden-compatible accounts and KeePass KDBX files, with login autofill, passkeys, offline use, and password issue checks.

Tofu, an iOS authenticator, that adds accounts by scanning issuer QR codes and generates time-based or counter-based one-time passwords offline.

Bitwarden stores and syncs passwords and passkeys through browser extensions, desktop and mobile apps, and a web vault. It offers free accounts and paid personal and business plans.

Store, sync, and autofill passwords, passkeys, and email aliases with Proton Pass, an end-to-end encrypted password manager.

Manage KeePass-compatible password databases with AuthPass, a free app for mobile and desktop systems.

Md5 Decrypt & Encrypt searches an MD5 hash database and can generate MD5 values from input text.

Manage passwords, secrets, and credentials from the command line with gopass and Git or GPG storage.

The KeePassXC getting started guide covers installation, interface basics, settings, and operations such as creating and storing a password database.