Add multi factor authentication to your existing authentication solution. This gives your users the option to increase the level of security to their account and help prevent unauthorized access.
Devise is a flexible authentication solution for Rails based on Warden. Learn how to add a stable authentication solution like Devise to your application.
Using ClamAV, scan files uploaded to your application for viruses. In the event of a virus learn how to gracefully handle the infected file and notify the user.
Learn how to incorporate FullCalendar into your Ruby on Rails application with listing and creating events. Using unobtrusive javascript, we can create a fast interactive calendar.