OnlyKey is described as 'open source alternative to YubiKey. OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP' and is an app in the Security & Privacy category. There are more than 10 alternatives to OnlyKey for a variety of platforms, including Android, iPhone, Linux, Windows and Mac. The best alternative is Authy, which is free. Other great apps like OnlyKey are andOTP (Free, Open Source), Google Authenticator (Free), YubiKey (Paid) and Microsoft Authenticator (Free).
- 15 alternatives
- GTK+ application for securely managing TOTP & HOTP tokens. Content is encrypted on disk using AES256-GCM. Master password derived using PBKDF2 with 100k iterations & SHA512 as hash algorithm. Can import encrypted backups from andOTP & Authenticator+. View 24 alternatives to OTPClient
- Free • Open Source