MVC Web framework inspired by RoR Action Pack; fast, readable, simple Ruby-based, almost as powerful as Ruby but for a static (compiled) programs. Part of Castle Project.

A .NET Ruby, goals: good performance, seamless integration with .NET libraries, infrastructure; compatibility with 1.8.x branch of Ruby modulo continuations. Heavily leverages Microsoft Dynamic Language Runtime. Microsoft Permissive License.

Basic description, links. John Lam on Software.

Official home; downloads, latest versions.

Compiler targeting Microsoft .NET platform; can statically compile source file into verifiable .NET v2.0 assembly or directly execute source file: compile, load and execute.

Response to M. David Peterson posting. John Lam on Software.

Brief updated comparison, by M. David Peterson. O'Reilly Windows DevCenter Blog.

High-performance Ruby to .NET bridge, allows seamless integration of CLR and Ruby objects in the same Win32 process, allows rich client programs using Windows Forms or Presentation Foundation libraries. Author web site/blog.

Project to make Ruby compiler for .NET based on NetRuby.