GDebi - GDebi lets you install local deb packages resolving and installing its dependencies.
Scoop - A command-line installer for Windows
App Grid - App Grid is an alternative to the Ubuntu Software Center.
Just Install - just-install - The stupid package installer for Windows.
Linux App Store - Linux App Store is a universal web app that makes Snap, Flatpak, and Appimage packages accessible...
Windows Remix - Web-based batch software installer with zero dependencies. Recommended first visit after reinstalling Windows or buying a new laptop.