ExectOS 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.
Kubuntu Alternatives
Kubuntu is described as 'Official "flavor" of Ubuntu that uses the KDE Plasma desktop environment. This gives it a completely different look and feel' and is a very popular Linux Distro in the os & utilities category. There are more than 100 alternatives to Kubuntu for a variety of platforms, including Linux, Self-Hosted, Windows, BSD and Mac apps. The best Kubuntu alternative is Linux Mint, which is both free and Open Source. Other great apps like Kubuntu are Ubuntu, Debian, Fedora and Arch Linux.
Alternatives list
Minoca OS is a general purpose operating system designed specifically for feature-rich embedded devices. It's got all the high-level functionality that you've come to expect from an operating system, but offers it in a fraction of the memory footprint.


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Dracos Linux is purposed as an educational, especially to recognize the operation system of Linux and we respect ethical hacking.
Cost / License
- Free
- Open Source
Platforms
- Linux
A libre open source Linux operating system. Focused on ease of use, simplicy, and flexibility to adapt and change.

Live bootable linux CD supported by US department of defense, featuring firefox, thunderbird, word processor, and reads USB flash drives.

ParticleOS is a fully customizable immutable distribution implementing the concepts described in Fitting Everything Together.
Visopsys (VISual OPerating SYStem) is an alternative operating system for PC-compatible computers, written “from scratch”, and developed primarily by a single hobbyist programmer since 1997.


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BeeFree OS is inspired from Ubuntu, Windows 7 and Linux Mint. The name is acronym for Beautiful, Effective, Efficient and Freedom.


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ArchStrike is a penetration testing and security layer on top of Arch Linux done the Arch Way and optimized for i686, x86_64, ARMv6, ARMv7 and ARMv8. We follow the Arch Linux standards very closely in order to keep our packages clean, proper and easy to maintain.
Cost / License
- Free
- Open Source
Application types
Platforms
- Linux
- VirtualBox
- VMware Workstation



A new OS/2-based operating system from Arca Noae, codenamed Blue Lion, arrived today, May 15, 2017, after nearly two years in development.

Superb Mini Server (SMS) is a Slackware-based server distribution with web, DNS, DHCP, file, print and fax servers, iptables firewall, mail server with spam filter and anti-virus scanner, and BitTorrent station.



RetroBSD is a port of 2.11BSD Unix intended for embedded systems with fixed memory mapping. The current target is Microchip PIC32 microcontroller with 128 kbytes of RAM and 512 kbytes of Flash.






























