The Best OTPClient Alternatives in 2026

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

FreeOTP Plus is an Android two-factor authenticator fork with TOTP and HOTP support, import and export options, and token search.

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

Access KeePass password databases on iOS and macOS with KeePassium, including autofill and synchronization features.

KeePass lists plugins and extensions for its password manager, including backup plugins and links to plugin framework guidance.

Use KeePass autofill in Chrome or Firefox with Tusk, an open-source browser extension.

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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.