Reddit.st — In 10 Cool Pharo Classes
"This is a tutorial showing how to implement a small but non-trivial web application in Pharo using Seaside, Glorp (an ORM) and PostgreSQL.
Reddit is a web application where users can post interesting links that get voted up or down. The idea is that the ‘best’ links automatically end up with the most points. Many other websites exist in the area of social bookmarking, like Delicious, Digg and Hacker News.
Reddit.st adds persistency in a relational database, unit tests as well as web application components to the mix."