Ninite - Ninite is the easiest way to install software.
Inno Setup - Inno Setup is a free installer for Windows programs.
Chocolatey - The sane way to manage software on Windows.
NSIS - NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows...
Just Install - just-install - The stupid package installer for Windows.
InstallForge - A very simplistic and streamlined program for creating installation files.