Useful gems
Image/document uploads
Sign in systems
Payment processing
Styling and HTML
- bootstrap-sass
- zurb-foundation
- neat
- bitters
- haml-rails
- simple_form
- font-awesome-sass
- autoprefixer-rails
Some others
- geocoder • convert addresses to GPS coordinates, work with latitude/longitude
- prawn • generate PDF files
- chronic • turn date/time text into actual DateTime objects
- twilio-ruby • send SMS messages from your app