WAPT is the perfect software deployment solution for Windows. The WAPT remote management console allows you to install, update and uninstall your software and your configurations on your installed base of workstations. To secure your deployments, you may use ready-to-use packages that you re-sign into your own repository, or create and sign your own packages.
Chocolatey - The sane way to manage software on Windows.
Easy Deploy - Front end GUI of PsExec (from sysinternal)
PDQ Deploy - Deploy software quickly with PDQ Deploy. It's simple to install just about anything to multiple computers on your network.
Scoop - A command-line installer for Windows
Just Install - just-install - The stupid package installer for Windows.
Ninite - Ninite is the easiest way to install software.