Serenity: x86 Unix-like operating system for IBM PC-compatibles

I’ve grown tired of cutesy and condescending software that doesn’t take itself or the user seriously. Roughly speaking, the goal here is a marriage between the aesthetic of late-1990s productivity software and the power-user accessibility of late-2000s *nix. There’s a helpful guide on building a GCC cross-compiler on the OSDev wiki.

Source: github.com