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.
Q4OS Alternatives
Q4OS is described as 'Fast and powerful operating system based on the latest technologies while offering highly productive desktop environment. We focus on security, reliability, long-term stability and conservative integration of verified new features' and is a Linux Distro in the os & utilities category. There are more than 100 alternatives to Q4OS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best Q4OS alternative is Linux Mint, which is both free and Open Source. Other great apps like Q4OS are Ubuntu, Debian, Fedora and Arch Linux.
Alternatives list
The Friend Unifying Platform is a powerful open source framework that will allow developers to decouple their applications from technology silos. It will empower developers to swiftly deploy on and integrate with Ethereum and other decentralised technologies in a new blockchain...

Mabox Linux is based on Manjaro, featuring a customized Openbox window manager preconfigured to be ready to use.


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This project birth in 2002! blackPanther OS is an independent Linux distribution which is not a fork of anything else. It is designed to be simple, fast, and easy to use... Its motto: just click and use it!.


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- 138 RISC OS alternatives
Risc OS is an open-source OS specifically designed to run on the ARM chipset.


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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.
Obarun is a GNU/Linux operating system that relies on s6/66 init and service management suite. The goal of Obarun is to provide an alternative for people looking for more simplicity and transparency in maintaining their systems.


DebianDog is very small Debian Live CD shaped to look and act like Puppy Linux. Debian structure and Debian behaviour are untouched and Debian documentation is 100% valid for DebianDog. You have access to all debian repositories.
Helal Linux is an Islamic Arabic Linux distribution based on Ubuntu. Helal Linux features most important packages which means to Muslim user built-in, in addition to software developed by Helal Team, and a lot to discover.


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Karoshi provides a simple graphical interface that allows for quick installation, setup and maintenance of a network.



Darwin is the Open Source operating system from Apple that forms the basis for Mac OS X, and PureDarwin is a community project to make Darwin more usable (some people think of it as the informal successor to OpenDarwin.


































