| 1 | 1,911 | 9,485 | u2f | Library for handling registration and authentication of U2F devices |
| 2 | 5,725 | 5,374 | castle-rb | Castle protects web and mobile applications from account takeovers,
fake accounts, bots... |
| 3 | 18,144 | 35,210 | userbin | Secure your application with multi-factor authentication, user activity monitoring, and... |
| 4 | 31,084 | 57,584 | devise_castle | Devise extension for Castle. Secure your authentication stack with real-time monitoring... |
| 5 | 32,403 | 41,879 | devise_userbin | Devise extension for Userbin. Secure your application with multi-factor authentication,... |