Chocolatey - The sane way to manage software on Windows.
Ninite - Ninite is the easiest way to install software.
Scoop - A command-line installer for Windows
App Explorer from SweetLabs - a program developed by SweetLabs.
Windows Remix - Web-based batch software installer with zero dependencies. Recommended first visit after reinstalling Windows or buying a new laptop.
Roboget - A free beta version app for Windows, by Mirinsoft