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duckOSYet another hobby x86 UNIX-like operating system written in C and C++. Features a dynamically linked userspace, an in-house c standard library, and more! And yes, it runs DOOM.
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OsmanthusA developing operating system
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Aura Operating SystemAuraOS, the Franco-English Operating System developed in C# using Cosmos!
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CardinalOperating system designed to be fast and secure.
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georgiosHobby Operating System
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TockA secure embedded operating system for microcontrollers
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