pip is a tool for installing and managing Python packages.

pip - A tool for installing and managing Python packages

Postgres.app is a full-featured PostgreSQL installation packaged as a standard Mac app. It includes everything you need to get started: we’ve even included popular extensions like PostGIS for geo data and plv8 for JavaScript. Postgres.app has a beautiful user interface and a convenient menu bar item. You never need to touch the command line to use it – but of course we do include all the necessary command line tools and header files for advanced users.

PostgresApp - The easiest way to get started with PostgreSQL on the Mac

RPM is a powerful and mature command-line driven package management system capable of installing, uninstalling, verifying, querying, and updating Unix software packages. Each software package consists of an archive of files along with information about the package like its version, a description, and the like. There is also a library API, permitting advanced developers to manage such transactions from programming languages such as C, Perl or Python. 

RPM - RPM Package Manager

The WiX Toolset lets developers create installers for Windows Installer, the Windows installation engine.
The core of WiX is a set of build tools that build Windows Installer packages using the same build concepts as the rest of your product: source code is compiled and then linked to create executables; in this case .exe setup bundles, .msi installation packages, .msm merge modules, and .msp patches. The WiX command-line build tools work with any automated build system. Also, MSBuild is supported from the command line, Visual Studio, and common CI/CD build systems like GitHub Actions.
WiX includes several extensions that offer functionality beyond that of Windows Installer. For example, WiX can install IIS web sites, create SQL Server databases, and register exceptions in the Windows Firewall, among others.
With Burn, the WiX bootstrapper, you can create setup bundles that install prerequisites like the .NET Framework and other runtimes along with your own product. Burn lets you download packages or combine them into a single downloadable .exe.
The WiX SDK includes managed and native libraries that make it easier to write code that works with Windows Installer, including custom actions in both C# and C++.

The Windows Installer XML (WiX) is a toolset that builds Windows installation packages from XML source code. The toolset supports a command line environment that developers may integrate into their build processes to build MSI and MSM setup packages.

WiX Toolset - Toolset to create Windows Installer

Scoop is a simple package manager for Windows. It installs the tools you know and love. It takes care of resolving dependencies. It does not have unexpected side-effects from installing and uninstalling programs.

Scoop - A simple package manager for Windows

snakebasket is a recursive Python package installer that makes multi-package Python development a little easier. It's a layer on top of pip that can resolve and install an entire dependency graph with a single command: sb install. It recursively reads requirements from simple requirements.txt or old-school setup.ph files when sb install is run and decides between conflicting versions and installs the latest one.


Snakebasket - Recursive Python Package Installer

Nullsoft Scriptable Install System (NSIS) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution. NSIS is script-based and allows you to create the logic to handle even the most complex installation tasks. Many plug-ins and scripts are already available: you can create web installers, communicate with Windows and other software components. Its features include:
 <ul><li> Generates self-contained executable installers
</li><li> Support for ZLib, BZip2 and LZMA data compression (files can be compressed individually or together)
</li><li> Uninstall support (installer can generate an uninstaller)
</li><li> Customizable user interface (dialogs, fonts, backgrounds, icons, text, checkmarks, images etc.)
</li><li> Classic and Modern wizard interface
</li><li> Fully multilingual, support for multiple languages (including RTL languages) in one installer. More than 40 translations are already available, but you can also create your own.
</li><li> Page system: You can add standard wizard pages or custom pages
</li><li> User selection of installation components, tree for component selection
</li><li> Multiple install configurations (usually Minimal, Typical, Full), and custom configuration
</li><li> Installer self-verification using a CRC32 checksum
</li><li> Small overhead over compressed data size (34 KB with default options)
</li><li> Ability to display a license agreement in text or RTF format
</li><li> Ability to detect destination directory from the registry
</li><li> Easy to use plug-in system (lots of plug-ins for creation of custom dialogs, internet connections, HTTP downloading, file patching, Win32 API calls, etc. are included)
</li><li> Installers can be as large as 2GB
</li><li> Optional silent mode for automated installations
</li><li> A preprocessor with support for defined symbols, macros, conditional compilation, standard predefines
</li><li> A lovely coding experience with elements of PHP and assembly (includes user variables, a stack, real flow control, etc.)
</li><li> Installers have their own VMs that let you write code that can support:</li></ul>

Nullsoft Scriptable Install System (NSIS) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution. NSIS is script-based and allows you to create the logic to handle even the most complex installation tasks. Many plug-ins and scripts are already available: you can create web installers, communicate with Windows and other software components.

Nullsoft Scriptable Install System for Windows

Packer is a tool for building identical machine images for multiple platforms from a single source configuration. Packer comes out of the box with support for the following platforms Amazon EC2, DigitalOcean, Docker, Google Compute Engine, 
OpenStack, Parallels, QEMU, VirtualBox, VMware. 

Packer - Creates identical machine images for multiple platforms

OPAM is a source-based package manager for OCaml. It supports multiple simultaneous compiler installations, flexible package constraints, and a Git-friendly development workflow.

OPAM - Source-based package manager for OCaml

IzPack is a one-stop solution for packaging, distributing and deploying applications. It is fully cross-platform and generates a single installer. As such, it is an alternative to native solutions such as platform-specific installers and package managers. IzPack-generated installers only require a Java virtual machine to run. 
 <UL>
	<LI>Native OS integration: Windows shortcuts, Freedesktop.org compliant X11 window, Windows registry </LI>
	<LI>Build integration with Apache Ant</LI>
	<LI>Uninstaller removes all the mess that you installed</LI>
	<LI>Support for console installations (manual ar automated). This works locally and remotely (via SSH)</LI>
	<LI>Record an installation on one machine, then replay it on many other machines</LI>
	<LI>Get data from users, to customize your installation</LI>
	<LI>Package once, and deploy the very same installer to many platforms</LI>
 </UL>

IzPack is a one-stop solution for packaging, distributing and deploying applications. It is fully cross-platform and generates a single installer. As such, it is an alternative to native solutions such as platform-specific installers and package managers. IzPack-generated installers only require a Java virtual machine to run.

IzPack - Cross-platform Installer

SDKMAN is a tool for managing parallel versions of multiple Software Development Kits on most Unix based systems. It provides a convenient Command Line Interface (CLI) and API for installing, switching, removing and listing Candidates. Formerly known as GVM the Groovy enVironment Manager. It is suited for (but not limited to) installing Java related development kits. Install Groovy, Scala, Grails, Play or Spring Boot all from one convenient place.  

SDKMAN - The Software Development Kit Manager

Chocolatey NuGet is a Machine Package Manager, somewhat like apt-get, but built with windows in mind. For those unfamiliar with apt/debian, think about chocolatey as a global silent installer for applications and tools. It can also do configuration tasks and anything that you can do with PowerShell. 


Chocolatey - Like apt-get but for windows

The Open Network Install Environment (ONIE) is an open source initiative that defines an open "install environment" for modern networking hardware. ONIE enables an open networking hardware ecosystem where end users have a choice among different network operating systems.
 
Before the advent of ONIE, Ethernet switches were procured with pre-installed, captive operating systems, effectively creating networking appliances that locked end users into a vertical supply chain.
 
Modern network switches have a management subsystem, based on a variety of CPU architectures that typically include serial console, out-of-band Ethernet and mass storage. This subsystem can function independently from the switching ASIC(s) associated with the "front panel" Ethernet interfaces. ONIE defines an open source "install environment" that runs on this management subsystem utilizing facilities in a Linux kernel and BusyBox environment. This environment allows end users and channel partners to install the target NOS as part of data center provisioning, in the fashion that servers are provisioned.

The Open Network Install Environment (ONIE) is an open source initiative that defines an open "install environment" for modern networking hardware. ONIE enables an open networking hardware ecosystem where end users have a choice among different network operating systems.

ONIE - Open Network Install Environment

Sandstorm is an open source hosting platform for personal instances of web apps. Users can upload and install arbitrary software. A Sandstorm app only takes a couple clicks to deploy. It's so easy and secure that non-technical employees can actually deploy the apps they need themselves, without wasting valuable IT time. Get SaaS-like ease-of-use while keeping your data on-prem and under your control. 

Sandstorm - Personal Cloud Sandbox

Cross-platform JSON-driven MSI package builder. Unlike a bunch of WiX/wixl wrappers (python-wix, go-msi, msi-packager etc.) WiX.Py is a standalone application. It uses libmsi on UNIX platforms and msi.dll on MS Windows. Application has been designed for build toolchains under Docker environment, i.e. it doesn't depend on windowing system or networking features. Thus it allows building MSI packages in CI services without dedicated MSW cloud instance. This one decreases project infrastructure cost and speed-ups builds.
 
WiX.Py is designed to be Docker compatible tool. Thus it allows building MSI packages in CI services without dedicated MSW cloud instance. This one decreases project infrastructure cost and speed-ups builds.

Cross-platform JSON-driven MSI package builder. Unlike a bunch of WiX/wixl wrappers (python-wix, go-msi, msi-packager etc.) WiX.Py is a standalone application. It uses libmsi on UNIX platforms and msi.dll on MS Windows. Application has been designed for build toolchains under Docker environment, i.e. it doesn't depend on windowing system or networking features. Thus it allows building MSI packages in CI services without dedicated MSW cloud instance. This one decreases project infrastructure cost and speed-ups builds.

WiX.Py - Cross-platform JSON-driven MSI package builder

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