Top 20 NuGet preprocessor Packages

A XAML preprocessor adding conditional compilation support to XAML files

Cruncher makes optimizing your resources easy. It can bundle unlimited combinations of remote and local CSS, Less, Sass, JavaScript, and CoffeeScript files. Combining them, minifying them, and caching them in the browser, Cruncher can handle nested css @import statements, re-maps relative resource ...

Nemerle (http://nemerle.org) Language Macros Library

A C# source code transformation that eliminates #if preprocessor directives.

Insert compiler instructions to ignore the generated files when the FxCop analyzer runs.

Derived TextReader that allows skipping lines that meet a certain criteria.

Adds basic Sass scaffolding to your project. Use this scaffolding along with a sass compiler of your choice.

Adds a themeable website called Chameleon to your project.

A XAML preprocessor adding conditional compilation support to XAML files

A preprocessor hiding doc warnings from the autogenerated XamlTypeInfo class and hiding the class from intellisense.

A html preprocessor which allows you to write html code using a beautiful syntax

MSBuild task to generate a managed assembly that defines "preprocessor" constants

Simple WiX extension to resolve paths to installed NuGet packages. See https://github.com/matthid/wix-nuget-extension