Pharo : an object-oriented language. I'am contributing by proposing some fix to bugs found in the implementation.
Pillar : a Pharo tool used to generate documents in different formats Pdf, Html, Epub. With Pillar, we wrote a document one time in pillar syntax and generate as you want. It provides a list of mustache templates which can be used to design our documents.
Ecstatic : an extension of Pillar just for generating web sites. It is a small tool with can serve static html pages.
DressCode : mobile application for showing designs