Mono is a platform for running and developing applications based on the ecma/iso standards. mono is an open source effort led by xamarin. mono provides a complete clr (common language runtime) including compiler and runtime, which can produce and execute cil (common intermediate language) bytecode (aka assemblies), and a class library.
this package contains the mono system.web.mvc 3.0 library for cli 4.0.
the asp.net mvc framework is a web application framework that implements the model-view-controller (mvc) pattern.