OneGet - OneGet is a unified interface to package management systems and aims to make Software Discovery...
Chocolatey - The sane way to manage software on Windows.
Microsoft Store - A world of apps in the Microsoft Store.
Scoop - A command-line installer for Windows
Ninite - Ninite is the easiest way to install software.
Windows Remix - Web-based batch software installer with zero dependencies. Recommended first visit after reinstalling Windows or buying a new laptop.