openappx is an open-source command-line tool focused on validating and packing Appx and MSIX layouts, with a primary emphasis on Linux support. It allows developers to prepare Windows application packages without relying on Microsoft-specific tooling. The project includes a GitHub repository and is licensed under MIT.
In the Developer Tools space, openappx takes a focused approach. It focuses on validating and packaging Appx/MSIX layouts on Linux without proprietary Windows tools. It is built as an open-source project for developers. The project is open source (MIT). openappx is available on the command line, and it can be self-hosted.
It is developed by Gianluca Mazza, and it first shipped in 2026. The project is developed in the open on GitHub with 31 commits in the last 90 days. Among its 3 catalogued features are MSIX validation, appx packaging, and cross-platform support.
Summary written by a language model from the project’s public pages.
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