WPKG
WPKG is an automated software deployment, upgrade, and removal program for Windows. It can be used to push/pull software packages, such as Service Packs, hotfixes, or program installations from a central server (for example, Samba or Active Directory) to a number of workstations. It can run as a service to install the software in the background (silent install), without user interaction. It can install MSI, InstallShield, PackagefortheWeb, Inno Setup, Nullsoft, other software installers or .exe packages, .bat and .cmd scripts, and similar, no more repackaging to perform software installation. WPKG is open-source software. WPKG can add great value to your Samba or Active Directory setup, as it allows you to perform software installation, updates, removal, etc. on your workstations. It is also possible to execute custom scripts on your workstations, like synchronizing time, setting printers, changing permissions, or adding registry entries.
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Scoop
Scoop installs programs you know and love, from the command line with a minimal amount of friction. For terminal applications, Scoop creates shims, a kind of command-line shortcuts, inside the ~\scoop\shims folder, which is accessible in the PATH. For graphical applications, Scoop creates program shortcuts in a dedicated Start menu folder, called 'Scoop Apps'. This way, packages are always cleanly uninstalled and you can be sure what tools are currently in your PATH and in your Start menu.
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MSYS2
MSYS2 is a collection of tools and libraries providing you with an easy-to-use environment for building, installing and running native Windows software. It consists of a command line terminal called mintty, bash, version control systems like git and subversion, tools like tar and awk and even build systems like autotools, all based on a modified version of Cygwin. Despite some of these central parts being based on Cygwin, the main focus of MSYS2 is to provide a build environment for native Windows software and the Cygwin-using parts are kept at a minimum. MSYS2 provides up-to-date native builds for GCC, mingw-w64, CPython, CMake, Meson, OpenSSL, FFmpeg, Rust, Ruby, just to name a few. To provide easy installation of packages and a way to keep them updated it features a package management system called Pacman, which should be familiar to Arch Linux users.
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RPM Package Manager
The RPM Package Manager (RPM) is a powerful package management system capable of building computer software from the source into easily distributable packages; installing, updating, and uninstalling packaged software; querying detailed information about the packaged software, whether installed or not; and verifying the integrity of packaged software and resulting software installation. The package’s metadata is stored in the RPM header. The header is a binary data structure that stores single pieces of data in tags. Each tag has a pre-defined meaning and data type. These are not stored in the header itself but need to be known by the code reading the header. In the header, the tags are only referred to by their number. Each tag is either of a plain scalar type or is an array of one of these types. While not enforced by the type system the RPM code assumes that tags belonging together have the same number of entries.
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