BoredOS is a hobbyist x86_64 OS written in C, featuring SMP, a hybrid VFS, graphical window manager, and bundled TCC and Lua interpreters — a self-hosting bare-metal environment.
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.