Yes, this is a landing page complete with a sign-up form and a basic, yet protected back-end where you can view email addresses. Just add your company logo and start gaining potential customers.
Packed with awesome tools. Push to Heroku immediately.
$ git clone https://github.com/mjhea0/sinatra-lands
$ cd sinatra-lands
$ bundle install
$ ruby app.rb
Then launch http://localhost:4567/
Want to know how to send an automated email response? Just ask. (Or: have some fun and fork it and do it yourself)
And it's past my bedtime. Night.