| 1 | 1,899 | 12,298 | u2f | Library for handling registration and authentication of U2F devices |
| 2 | 5,727 | 6,062 | castle-rb | Castle protects web and mobile applications from account takeovers,
fake accounts, bots... |
| 3 | 17,989 | 36,893 | userbin | Secure your application with multi-factor authentication, user activity monitoring, and... |
| 4 | 30,859 | 58,818 | devise_castle | Devise extension for Castle. Secure your authentication stack with real-time monitoring... |
| 5 | 32,167 | 58,818 | devise_userbin | Devise extension for Userbin. Secure your application with multi-factor authentication,... |
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