BITS-PyOS is described as 'means: - [B]IOS - [I]mplementation - [T]est - [S]uite-based - [P]ython - [O]perating - [S]ystem' and is an app in the Development category. There are more than 100 alternatives to BITS-PyOS for a variety of platforms, including Linux, Self-Hosted solutions, BSD, Windows and Mac. The best alternative is Ubuntu, which is both free and Open Source. Other great apps like BITS-PyOS are Debian (Free, Open Source), Linux Mint (Free, Open Source), Manjaro Linux (Free, Open Source) and Arch Linux (Free, Open Source).
The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography. * OpenBSD runs on many different hardware platforms.
Peppermint was designed for enhanced mobility, efficiency and ease of use. While other operating systems are taking 10 minutes to load, you are already connected, communicating and getting things done.
CloudReady is a operating system built and maintained by Neverware. Based on Google’s open source Chromium OS, CloudReady uses web apps and both cloud storage (Google Drive) as well as local storage (File manager). Comes without Android app support.
MINIX is a POSIX-compliant Unix-like operating system based on a tiny microkernel running in kernel mode with the rest of the operating system running as a number of isolated, protected, processes in user mode.