Haiku is described as 'open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful' and is a popular app in the OS & Utilities category. There are more than 100 alternatives to Haiku for a variety of platforms, including Linux, Self-Hosted solutions, BSD, Windows and Mac. The best alternative is Linux Mint, which is both free and Open Source. Other great apps like Haiku are Debian (Free, Open Source), Manjaro Linux (Free, Open Source), Arch Linux (Free, Open Source) and Fedora (Free, Open Source).
The OpenMandriva distribution is a full-featured Linux desktop and server, sponsored by the OpenMandriva Association, and is based on ROSA, a Russian Linux distribution project which forked Mandriva Linux in 2012.
ROSA Linux is a Linux operating system and distribution, developed by Russian company LLC NTC IT ROSA. It is available in three different editions: ROSA Desktop Fresh, ROSA Enterprise Desktop and ROSA Enterprise Linux Server.
Store and share links to docs, files, or literally anything useful. Connect favorite tools for more opportunities. Share and work exclusively with teammates by creating private space or with the whole world with public ones.
MidnightBSD is a new BSD-derived operating system developed with desktop users in mind. It includes all the software you'd expect for your daily tasks — email, web browsing, word processing, gaming, and much more.