Showtime
Showtime's a sinatra apps generator based on thor.  Just run showtime [appame] and start hacking!
Installation
gem install showtime
Usage
showtime [appname] [options]
Available options
appname   folder name for the application. Otherwise uses the current folder.
--gemfile creates a Gemfile inside your application folder.
--views   creates the public/javascripts and public/stylesheets folders, and a sample index.erb view.