OTPClient
OTPClient is an open-source, free software one-time password (OTP) authenticator for Linux, macOS, and Windows. It enables two-factor authentication by generating time-based OTP codes synced with sites like GitHub, Google, and more.
opensource
twofactor-authentication
otp
authenticator
OTPClient: Free One-Time Password Authenticators
Open-source software for two-factor authentication on Linux, macOS, and Windows, syncing with popular services like GitHub and Google
What is OTPClient?
OTPClient is a free, open source two-factor authentication (2FA) client that runs on Linux, macOS and Windows. It supports the most common types of 2FA including time-based one-time passwords (TOTPs) and HMAC-based one-time passwords (HOTPs).
By scanning a QR code from services like GitHub, Google, Facebook etc., OTPClient can generate 6 digit one-time passcodes in sync with these sites every 30 seconds. Users can store an unlimited number of accounts in the app and easily copy codes to authenticate. It has a clean, intuitive interface for adding accounts, organizing them into folders, and quickly accessing the right OTP code when you need it.
In addition to TOTPs and HOTPs, OTPClient also supports Steam codes and has abuilt-in password generator. As an open source program, its code is publicly audited. And unlike some other authentication apps, OTPClient does not collect any personal user data. For those seeking a no-frills, privacy-focused 2FA app compatible with major sites and services, OTPClient is a top choice.
OTPClient Features
Features
- Generate time-based one-time passwords (TOTP) for two-factor authentication
- Support for common sites like Google, GitHub, Facebook, etc
- Open source and free
- Available on Linux, macOS and Windows
- Encrypted local storage of accounts
- Auto-copy OTP codes to clipboard
- Customizable GUI with multiple themes
- Portable version available
- Supports QR code scanning for easy account setup
Pricing
- Open Source
- Free
Pros
Free and open source
Works across major desktop platforms
Simple setup with QR code scanning
Secure encrypted local storage
Customizable interface
Auto-copy OTP codes for convenience
Cons
Lacks cloud sync across devices
No official mobile app
Less known and supported than Authy or Google Authenticator
Official Links
The Best OTPClient Alternatives
Top Security & Privacy and Authentication and other similar apps like OTPClient
Here are some alternatives to OTPClient:
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Authy
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Google Authenticator
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WinAuth
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FreeOTP
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YubiKey
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Aegis Authenticator
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AndOTP
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Itsme
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OnlyKey
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GNOME Authenticator
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LibreOTP
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Authenticator Extension
The Authenticator Extension is a free, open source browser extension used for two-factor authentication (2FA) and one-time passwords (OTP). It allows users to manage and generate 2FA/OTP codes for secure logins, without requiring a separate authentication mobile app.The extension supports integration with popular sites and services like Google, Facebook, Github,...
Hydro Raindrop
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Open Authenticator
Open Authenticator is a free, open source two-factor authentication application available for Android and iOS. It allows users to set up two-factor authentication for online accounts by generating time-based one-time passwords compatible with services like Google Authenticator, Authy, and Microsoft Authenticator.The app is designed to provide an easy way for...
