Top 20 NuGet installer Packages

MSI Install Manager is an API that allows you to install an MSI within a .NET application. You can create a WPF install experience and drive the execution of the MSI within. (In fact you can use command line, Winforms, or any other .NET capable client )
A base class for self-installing Windows Services with debugging hooks to run as console apps without requiring InstallUtil
Msi.dll Interop framework for C#. Original source: http://www.codeproject.com/Articles/5773/Wrapping-the-Windows-Installer-2-0-API . Package source: https://github.com/jkuemerle/MsiInterop
An extension that helps with building installers for .Net applications and websites with WiX. It's like Heat, but simpler and more focused for .Net development.
Agents for Visual Studio 2013.
Remote Tools (Debuggers) for Visual Studio.
Make a service program self install.
Setup targets to create Squirrel.Windows based installers for .Net projects
Extension library for Squirrel.Windows that provides an ClickOnce style update dialog
Unofficial Packages distribution via Nuget.
Unofficial InnoSetup distribution via Nuget.
WiX Custom Action to sanitize WiX Properties
Library that can install Chrome Native Messaging hosts for Chrome extensions