pmcyg Software

pmcyg is an open-source software developed by RW Penney to create customized collections of Cygwin packages. Cygwin provides a Linux-like environment on Windows, and pmcyg simplifies the process of creating a tailored installation system.

Key Features:

• Generate a complete Cygwin installation system for CD, DVD, or USB.


• Customize package selection and download dependencies from a mirror site.


• Organize mirror URLs by continents and countries for easy access.


• Verify and update package versions for offline installations.


• Create 'autorun.inf' files, clear log data, and include sources.

Technical Specifications:

• Software Type: Open-Source


• Platform: Windows


• Programming Language: Python


• File Format: .exe


• Price: Free

Customized Cygwin Packages

pmcyg allows users to select specific Cygwin packages based on architecture and individual preferences. By choosing from a list of packages, users can create a partial mirror of the Cygwin release tailored to their needs.

Effortless Updates and Verifications

pmcyg automatically checks for newer versions of packages on selected mirror sites and updates local directories accordingly. This feature ensures an up-to-date collection of Cygwin packages for offline installations without internet access.

User-Friendly Interface

Despite the absence of a help manual, pmcyg offers an intuitive interface with key configuration parameters easily accessible in the main window. Users can monitor the setup process and possible errors through the integrated log panel.

Efficient Package Management

By enabling users to skip base packages, create templates, and manage sources, pmcyg streamlines the process of generating minimalistic installers for Cygwin. The software minimizes the time and effort required for package customization.

Stay Up-to-Date Anywhere

With pmcyg, users can save customized Cygwin packages on a USB flash drive for offline installations on any PC. This flexibility allows users to access their preferred packages without internet connectivity.