Lion-OS is a simulated operating system implemented in Python with Pygame that provides a complete graphical desktop experience including boot, login, window management, and built-in applications. It runs entirely within a Python environment without requiring a traditional OS. Targeted at developers, hobbyists, and educators interested in OS concepts or building GUI demos in Python.
Lion-OS sits in PulseGate's Other creative category. It focuses on running a complete graphical desktop environment and applications entirely within a Python script. It is built as an open-source project for developers. The project is open source (MIT). Lion-OS is available on the command line and Linux, and it can be self-hosted.
Lion-OS first shipped in 2026. The project is developed in the open on GitHub with 7 commits in the last 90 days. Key capabilities include Graphical Desktop, Window Manager, and Boot Sequence.
Summary written by a language model from the project’s public pages.
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