Simple, maximally POSIX compliant mini-OS for i8086+ real mode, coded in C, assembly; uses and needs BIOS for calls. Documents in Russian, Ukrainian, English; description, download: binary, sources. [Free non-commercial use]

Experimental 32-bit multitasking, multithreaded OS, Unix-like inode based FS, runs on x86, growing POSIX compliance. Compiler, virtual machine for Thrill Mnemonic Language (TML), byte-code interpreted platform independent. Descriptions, documents, contact, downloads.