Top 5 YubiKey alternatives

Last updated: September 22, 2014
YubiKey
YubiKey enables strong, easy-to-use and affordable two-factor authentication with one-time passwords. Works instantly, no need to re-type pass codes from a device. Identified as a USB-keyboard, no client software or drivers needed
The best YubiKey alternatives:


Google Authenticator


Google Authenticator generates 2-step verification codes on your phone. Enable 2-step verification to protect your account from hijacking by adding another layer of security. With 2-step verification signing in will require a code generated by the Google Authenticator app in addition to your account password.

LastPass


LastPass is there when you need to login, generate a password for a new site, or complete an online order. We've streamlined the browsing experience with features that take the hassle out of logging in and signing up, so you can forget about passwords forever. LastPass free open-source alternatives are: KeePass, Padlock, Passbolt