Inno Setup - Inno Setup is a free installer for Windows programs.
Chocolatey - The sane way to manage software on Windows.
Advanced Installer - Advanced Installer is a Windows installer authoring tool for installing, updating, and configuring your products safely, securely, and reliably.
WAPT Community - Deploy your software and configurations, perform an inventory of your machines in real time, control Windows Updates and benefit from customized reporting of your IT assets
InstallShield - If your software targets Windows, InstallShield is your solution.
Just Install - just-install - The stupid package installer for Windows.