Screenweaver requires Neko and haXe for authoring projects. If you don’t have Neko and haXe installed to your system, please follow this tutorial on how to install Screenweaver. Otherwise, issue the following command to have the latest version of Screenweaver HX downloaded and installed:
haxelib install swhx
Source code is availble from the following SVN repositories:
http://code.google.com/p/screenweaver-hx
A high-level overview of Screenweaver HX’s architecture is here.