ExectOS is described as 'Aims to be a stable and flexible, general purpose operating system written from scratch. It is designed to be modular, maintainable and compatible with existing software. It implements a brand new XT architecture and features own native application interface' and is a operating system in the system & hardware category. There are more than 50 alternatives to ExectOS for a variety of platforms, including Linux, Windows, Self-Hosted, BSD and Raspberry Pi apps. The best ExectOS alternative is Linux Mint, which is both free and Open Source. Other great apps like ExectOS are Ubuntu, Debian, Fedora and Arch Linux.