SerenityOS

Graphical Unix-like hobby OS for x86, ARM, and RISC-V with a from-scratch kernel, apps, and browser.

PlatformWebfree

SerenityOS is a graphical Unix-like hobby operating system for x86, ARM, and RISC-V, built entirely from scratch including its own kernel, web browser, and POSIX-compatible userland, plus hundreds of ported open-source programs. It's aimed at OS hobbyists and systems developers who want a complete, buildable, first-party desktop OS to study or run.

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