WPKG!

Chocolatey NuGet is a Machine Package Manager, somewhat like apt-get, but built with Windows in mind. It is built on top of NuGet command line and the NuGet infrastructure.In terms of updates, it allows you to update nearly everything on your machine with a few simple keystrokes.

App Grid is a new lightweight Ubuntu Software Center alternative that tries to make application discovery easier by using a grid view which includes app screenshots and ratings.

WAPT is a package manager for Windows which provides installation, removal and upgrades of software in managed environment. Software can be deployed through a central management console. WAPT was modeled on GNU/Linux Debian APT, hence its name.

OneGet is a unified interface to package management systems and aims to make Software Discovery, Installation and Inventory (SDII) work via a common set of cmdlets (and eventually a set of APIs). Regardless of the installation technology underneath, users can use these common cmdlets to install/uninstall packages, add/remove/query package repositories, and query a system for the software installed. Included in this CTP is a prototype implementation of a Chocolatey -compatible package manager that can install existing Chocolatey packages. »

PDQ Deploy - Deploy Software and Patches Quickly

Ubuntu Sources List Generator is a website where you can generate a sources.list file with a lot of useful repositories.

The Debgen is a tool that allows the user to create /apt/sources.list file by adding some extra repositories beyond the standards.

A world of apps in the Microsoft Store.

PostInstallerF is a small, lightweight, useful tool that can be used to install 100+ essential softwares, Games, audio/video codecs, and third-party repositories which are not included by default in Fedora, Ubuntu and Manjaro.

This program installs a collection of some of the best Ubuntu software and can be considered to be one of the top things to do after installing Ubuntu.

Total Software Deployment makes deploying packages on any number of computers a blast.Unlike the competition, this tool supports advanced concurrent deployment, allowing you to install multiple packages on multiple computers at the same time. You can specify how many computers and how many packages per computer can be installed at any moment. Once you have made up your mind, you can start deploying in just one click.

Silent Install Helper determines the type of installation package and allows you to install programs in "silent" mode (without user intervention). Supported installers: Inno Setup, Smart Installer, Wise installer, NSIS, RAR \ ZIP \ 7z \ 7z Setup \ Free Arc \ Microsoft Cab SFX, Msi, Ghost Installer Wizard, InstallAware Wizard, InstallShield, Setup Factory Installer, Install4j Wizad, Driver Genius Installer, Actual Installer, the files .inf, .msu, and others. The app allows you to create CMD files, configuration files for Windows Post Install Wizard, displays information about the use of disk information, about the processes,also can use custom commands and scripts. Contains function of batch uninstall in "silent mode". »