Infinitive OS is described as 'Open-source project created to replace windows and macOS, it mounts the latest versions of the Linux kernel and contains open source components but also proprietary software.
It has the KDE desktop environment pre-installed' and is an app. There are more than 50 alternatives to Infinitive OS for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best Infinitive OS alternative is Linux Mint, which is both free and Open Source. Other great apps like Infinitive OS are Ubuntu, Debian, Fedora and Arch Linux.