It's not a fork. It's using Mezzanine to structure the tree of pages, but Widgy is used to edit content on the pages themselves. Basically, we made a really go

It's not a fork. It's using Mezzanine to structure the tree of pages, but Widgy is used to edit content on the pages themselves. Basically, we made a really good content editor and wanted to get running quickly, so put our content editor in a Mezzanine page type. However, Widgy is a generic tree editor so potentially could be used for the page tree too.