A free, secure and open source app for Android to manage your 2-step verification tokens.
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Feb 24, 2026 - Java
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authenticator
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Authenticator generates 2-Step Verification codes in your browser.
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Feb 10, 2026 - TypeScript
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
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Feb 25, 2026 - C#
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
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Feb 24, 2026 - TypeScript
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
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Feb 23, 2026 - JavaScript
Python package for interacting with Steam
python steam authentication steamworks valve authenticator webapi steam-client hacktoberfest steam-authenticator steam-guard-codes steam-web
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Aug 3, 2024 - Python
Two-Factor Authentication Client for iOS
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Feb 12, 2026 - Swift
Enhanced fork of FreeOTP-Android providing a feature-rich 2FA authenticator
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Feb 26, 2025 - Kotlin
Software-based TOTP/HOTP authenticator for Flipper Zero device.
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May 19, 2025 - C
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
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Jul 25, 2024 - Go
Antelope Desktop Wallet and Authenticator
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Dec 10, 2025 - JavaScript
Simple cross-platform two-factor (2FA) authenticator app for desktop.
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Feb 22, 2026 - TypeScript
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
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Feb 1, 2026 - C#
OAuth + JupyterHub Authenticator = OAuthenticator
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Feb 13, 2026 - Python
A native implementation of Google Authenticator for Mac based on Swift
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Jul 13, 2022 - Objective-C
Python implementation of the mobile Blizzard Authenticator (TOTP)
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Feb 11, 2022 - Python
POT is an Erlang library for generating Google Authenticator compatible one time passwords
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Dec 8, 2023 - Erlang
Password Management, 2FA Generator
android kotlin open-source privacy password-manager totp authenticator local-first password-manager-app
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Feb 25, 2026 - Kotlin
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.Ji Yu Flutter De Shuang Yin Su Yan Zheng Qi ,Zhi Chi Android, WindowsHe LinuxPing Tai ,Zhi Chi Onedrive, Dropbox, WebDAV, S3CloudDeng Duo Chong Yun Bei Fen Fang Shi .
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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Oct 27, 2025 - Dart
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