A free, secure and open source app for Android to manage your 2-step verification tokens.
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Updated
Sep 6, 2026 - Java
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Authenticator generates 2-Step Verification codes in your browser.
📱 Two-Factor Authentication (2FA) client for Android + Wear OS
android c-sharp steam otp xamarin material-design totp hotp authenticator xamarin-android two-factor-authentication tfa 2fa wearos wear-os motp material-you
One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator
nodejs cli otp browser two-factor hotp authenticator hmac google-authenticator two-factor-authentication 2fa one-time-passwords
One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers.
nodejs javascript security node otp browser two-factor auth totp hotp authenticator google-authenticator two-factor-authentication otpauth bun deno
☁️ Python package for interacting with Steam
python steam authentication steamworks valve authenticator webapi steam-client hacktoberfest steam-authenticator steam-guard-codes steam-web
Monica Pass，Password Management, 2FA Generator
android kotlin open-source privacy password-manager totp authenticator monica local-first password-manager-app monicapass
Two-Factor Authentication Client for iOS
Enhanced fork of FreeOTP-Android providing a feature-rich 2FA authenticator
Turn a $5 Raspberry Pi RP2350 board into an open-source hardware passkey: WebAuthn/FIDO2 logins, ssh & git signing, OpenPGP, PIV, TOTP. Rust firmware, no_std.
fido-u2f cryptography firmware pgp fido authenticator post-quantum-cryptography piv ccid smart-card webauthn opengpg embedded-rust fido2 pqc security-key raspberry-pi-pico passkeys rp2350
Software-based TOTP/HOTP authenticator for Flipper Zero device.
Go-Guardian is a golang library that provides a simple, clean, and idiomatic way to create powerful modern API and web authentication.
go golang ldap authentication guardian auth x509 tokens passport totp hotp authenticator ldap-authentication golang-library bearer-tokens strategies 2fa certificate-authentication go-passport go-guardian
Anchor Wallet desktop app for Vaulta (formerly EOS), WAX, Telos and other Antelope networks
Two-Factor Authenticator Supporting TOTP (Windows 10 & Android, iOS, Linux and macOS App)
c-sharp authentication password windows-10 uwp-apps ios-app totp authenticator android-app linux-app
Simple cross-platform two-factor (2FA) authenticator app for desktop.
Two Factor Authentication
javascript chrome-extension security backup otp encryption pwa serverless webdav self-hosted firefox-extension totp hotp authenticator browser-extension two-factor-authentication 2fa autofill cloudflare-workers
OAuth + JupyterHub Authenticator = OAuthenticator
A native implementation of Google Authenticator for Mac based on Swift
An awesome two-factor authenticator based on Flutter, supports Android, Windows and Linux platforms, and supports multiple cloud backup methods such as Onedrive, Dropbox, WebDAV, S3Cloud, etc.基于 Flutter 的双因素验证器，支持Android、Windows和Linux平台，支持Onedrive、Dropbox、WebDAV、S3Cloud等多种云备份方式。
otp authenticator multiple-languages flutter otp-applications otpauth 2fa flutter-apps 2factor flutter-ui 2fa-security flutter-app otp-verification 2fa-client 2fauth 2fa-mobile
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