OpenBSD is described as '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' and is a popular operating system in the os & utilities category. There are more than 100 alternatives to OpenBSD for a variety of platforms, including Linux, Windows, BSD, Self-Hosted solutions and Electrum. The best alternative is Ubuntu, which is both free and Open Source. Other great apps like OpenBSD are Debian, Linux Mint, Arch Linux and Manjaro Linux.
OpenBSD is mainly a Operating System but alternatives to it may also be Linux Distros. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of OpenBSD.
Ubuntu is a community developed, Linux-based operating system that is perfect for laptops, desktops and servers. It contains all the applications you need - a web browser, presentation, document and spreadsheet software, instant messaging and much more.
Linux Mint is one of the most popular desktop Linux distributions and used by millions of people. The purpose of Linux Mint is to produce a modern, elegant and comfortable operating system which is both powerful and easy to use. Latest: Uma (20.2).
Linux Mint vs OpenBSD opinions
pros, cons and recent comments
it is also open sourced, safe and come with many useful applications, but most importantly it's too user friendly.
Arch Linux is an independently developed, i686- and x86_64-optimised GNU/Linux distribution targeted at competent Linux users. It uses pacman, its home-grown package manager, to provide updates to the latest software applications with full dependency tracking.