xact 

An XActLib assembly: a library of Common Code for the UI layer of a web application, without being specific to WebForms, MVC or other UI framework

An XActLib assembly: a base assembly that almost all other XActLib assemblies have a reference. Contains mostly ExtensionMethods, essential common interfaces, enums, and collections, but contains a couple of... More information

An XActLib assembly: a Common library of UI Layer code, that is UI-Framework Agnostic.

An XActLib assembly: common code specific Collections

An XActLib assembly: a library of code common to workflow control (WWF, K2, etc.)