ToaruOS is a hobby OS built over 14+ years with a fully self-hosted stack including a hybrid kernel, custom libc, dynamic linker, compositor, and bytecode language — all zero-dependency.
ZealOS is a public-domain fork of TempleOS, modernizing HolyC to ZealC, targeting 60 FPS VBE graphics and real hardware support, all while keeping the OS comprehensible by one developer.
An educational OS implemented in exactly 1,000 lines of C code, revealing essential kernel design and tradeoffs. A hands-on learning tool for OS fundamentals.
