Chocolatey - The sane way to manage software on Windows.
DockbarX - DockbarX is a standalone dock that groups and launches applications.
Scoop - A command-line installer for Windows
Synapse - Synapse is a semantic launcher written in Vala that you can use to start applications as well as find and access relevant documents and files by making use of the Zeitgeist engine.
Ninite - Ninite is the easiest way to install software.
Ulauncher - Fast application launcher for Linux. Custom shortcuts for web URLs and scripts.