Best Open Source Operating Systems 2026

Operating Systems

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Browse free open source Operating Systems and projects below. Use the toggles on the left to filter open source Operating Systems by OS, license, language, programming language, and project status.

G-P - Global EOR Solution
Companies searching for an Employer of Record solution to mitigate risk and manage compliance, taxes, benefits, and payroll anywhere in the world

With G-P's industry-leading Employer of Record (EOR) and Contractor solutions, you can hire, onboard and manage teams in 180+ countries — quickly and compliantly — without setting up entities.

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Run applications fast and securely in a fully managed environment
Cloud Run is a fully-managed compute platform that lets you run your code in a container directly on top of scalable infrastructure.

Run frontend and backend services, batch jobs, deploy websites and applications, and queue processing workloads without the need to manage infrastructure.

Try for free
1

IPCop Firewall

Linux firewall distribution geared towards home and SOHO users.

The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.

66 Reviews

Downloads: 59 This Week

Last Update: 2018-09-04
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2

Unetbootinbitti

Tool for creating live usb-drives and downloading distros

Tool for creating live usb-drives and downloading distros. This is an upgraded version of Unetbootin focusing on Bittix linux 9 and above and Linux Mint and Linux Mint debian. Has Distrowatch.com link etc.

Downloads: 24 This Week

Last Update: 2016-11-28
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3

Tria Sistema Operatiu

Helps you find, download & burn the best Operating System for any PC

Tria O.S. detects hard & soft specs of the PC where you run it, you can load this info or specify it manually to let the program inform you what would be the best operating system for a specific PC, with the specified hardware, and then see the difference by adding RAM, a SSD hard drive, changing the graphics card ... etc. REQUIREMENTS: For Linux, you need GAMBAS 3.3 or later, so you will have to install the gambas3 package before installing. 90's EDITION needs 160 MB (192 MB on a virtual machine) of RAM and works with Windows 95 and Windows NT 4.0. BRONTOSAURUS EDITION needs DirectX 9.0c and .Net Framework 2.0 and runs on Windows 98, Windows 98 SE, Windows ME & Windows 2000. XP EDITION requires .Net Framework 4.0 or newer. Runs on Windows XP, Vista, Server 2003, 2003 R2, Home Server and Server 2008. STANDARD EDITION needs .Net Framework 4.8 or 4.8.1 and runs on Windows 7, Windows Server 2008 R2, and newer (any Windows released from 2009 until today).

2 Reviews

Downloads: 6 This Week

Last Update: 2025-06-19
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4

BEE free TECH

[ Beautiful, Effective, Efficient, Freedom, Technology ]

BEE free 20.04 is a community-driven Linux distribution based on Ubuntu 20.04 .

6 Reviews

Downloads: 5 This Week

Last Update: 2020-12-02
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Axe Credit Portal - ACP- is axefinance’s future-proof AI-driven solution to digitalize the loan process from KYC to servicing, available as a locally hosted or cloud-based software.
Banks, lending institutions

Founded in 2004, axefinance is a global market-leading software provider focused on credit risk automation for lenders looking to provide an efficient, competitive, and seamless omnichannel financing journey for all client segments (FI, Retail, Commercial, and Corporate.)

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5

GTCop

GTCop Professional Security Appliance aims to provide a powerful tool for satellite communications, with enhanced QoS and bandwidth controls. As derived from IPCop Firewall, it is a stable, secure, easy to configure and maintain GNU/Linux firewall box.

Downloads: 0 This Week

Last Update: 2013-03-26
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6

Pak Linux

Localized Linux distribution for the Urdu community.

Localized Linux distribution for the Urdu community.

Downloads: 0 This Week

Last Update: 2017-04-16
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