An Introduction to Haml and Sinatra | Envato Tuts+Twice a month, we revisit some of our readers’ favorite posts from throughout the history of Nettuts+. This tutorial was first published in October, 2010. This tutorial will introduce Haml and Sinatra. Haml is a markup language that produces clean, well-structured HTML. Sinatra is a simple but powerful Ruby framework for creating websites or web services. The two work very well together and provid
