Instant 2FA
Add two-factor auth to any site in minutes
21 Alternatives To Instant 2FA
1Password
1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
1Password is the easiest way to store and use strong passwords. Log in to sites and fill forms securely with a single click.
2FA to Tray
Copy 2FA tokens on macOS in a tap
Authy
Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
Avast Passwords for Mac
Free password manager from Avast
Castle
The easiest way to protect your users from getting hacked
DailyCred
Ruby on Rails client for authentication.
Dashlane Password Changer
Update all your passwords in 1-click (early access signup)
GenerateOTP
A simple API to generate and validate OTP codes
Google Titan
A 2FA device to protect yourself from hackers
Hydro Mobile App
Free, instant, scalable, blockchain-based 2FA security
Jscrambler
Jscrambler is a JavaScript protection solution that makes apps self-defensive, resilient against tampering, malware injection, & code theft.
Nitrokey
Email Encryption. Encrypt your emails with GnuPG, OpenPGP, S/MIME or your favourite email client.
OAuth2
Application and Data, Application Utilities, and User Management and Authentication
Rapid 2FA
A painless way to add two-factor authentication to your site
SoloKeys
Secure login made open and easy í ½í´
StackPath
Secure Content Delivery Network, DDoS, WAF Service
Step Two for Mac
Simple two-step verification for Mac
Two Factor Auth (2FA)
List of websites and whether or not they support 2FA
TwoBlocks
A 2FA provider on BlockStack
YubiKey
The YubiKey is a one-time password device for secure login with two-factor authentication
YubiKey NEO
Hardware-based authentication