Today, you can get version 1.13 of the F# C# MVC 4 extension, which gives you the option to choose between Backbone.js and Knockout.js when creating a F#/C# SPA.
The new project creation screen looks like this:
If you would like to see additional JavaScript frameworks included as options, let me know.
You can find information on the Knockout.js version in this post and information on the Backbone.js version in this post. Note: A C# only version and a PHP version of the Backbone.js example is available at https://github.com/dmohl/FsWebSpa-Backbone/downloads.
