SerenityOS

<p>SerenityOS is a <a href="/facts/Free_and_open_source/1cHtjLCB">free and open source</a> desktop <a href="/facts/Operating_system/8XTuvMh2">operating system</a>. It features a <a href="/facts/Kernel_preemption/uYrX8zy0">preemptive kernel</a>, currently supports <a href="/facts/X86-64/cyWvUFlP">x86-64</a>, <a href="/facts/ARM_architecture_family/SALsYA79">ARM</a>, and <a href="/facts/RISC-V/pUSKDat1">RISC-V</a> based computers, and hosts multiple complex applications including its own <a href="/facts/Web_browser/2pfyymLs">web browser</a> and <a href="/facts/Integrated_development_environment/jbEINSQf">integrated development environment</a> (IDE).
</p><p>SerenityOS began development in 2018 as a solo project by Swedish programmer Andreas Kling. It is maintained by a community of <a href="/facts/Hobbyist_operating_system/IL44PsMP">hobbyists</a> on <a href="/facts/GitHub/n1hNCsc3">GitHub</a> where it is described as "a love letter to '90s user interfaces with a custom Unix-like core" that "does not cater to non-technical users".
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SerenityOS open-in-new

SerenityOS