Open Source Operating System

ReactOS is an advanced free open source operating system providing a ground-up implementation of a Microsoft Windows XP compatible operating system.

developer Developer: SourceForge.net
license License: Artistic License, GNU General Public License (GPL)
operating systems Operating System: Windows


This project is to design a new open source operating system for the N95, with a flash interface.

developer Developer: Flashosfornokia
license License: Freeware
operating systems Operating System: All


JCooperate is an Open Source, Operating System independent, 100% pure Java implemented cooperation framework.

developer Developer: Jcooperate
license License: Freeware
operating systems Operating System: All


Pyrophobia is an Open Source CMS system for people who have little/no experience in HTML.

developer Developer: SourceForge.net
license License: Artistic License, GNU General Public License (GPL)
operating systems Operating System: Windows, Linux, Mac OS, BSD, Solaris


open source PLM system - Product Structure management (BOM management) system and Electronic documents management or Entreprise Content Management (ECM) system.

developer Developer: Open-source-plm
license License: Freeware
operating systems Operating System: Linux


A website framework which using open source development tools, such as PHP and MySQL.

developer Developer: Insgroups
license License: Freeware
operating systems Operating System: Windows; Mac; Linux


MonetDB is a open-source database system for high-performance applications in data mining, OLAP, GIS, XML Query, text and multimedia retrieval.

developer Developer: SourceForge.net
license License: Freeware
operating systems Operating System: All


PhpChrystal is an open source intranet system, which is designed for use on network parties.

developer Developer: SourceForge.net
license License: Artistic License, GNU General Public License (GPL)
operating systems Operating System: Windows, Linux, Mac OS, BSD, Solaris


Open Faktura is a Open-Source Faktura System that uses PostgreSQL as Database Engine and is written in C++/QT, because it is platform indepentend and QT is a powerful C++ Framework with good SQL Features.

developer Developer: Openfaktura
license License: Freeware
operating systems Operating System: Windows; Mac; Linux


This project is aimed at developing an open source information system for an efficient management of data deriving from Sanger sequencing and microsatellite genotyping experiments.

developer Developer: molabis.org
license License: Freeware
operating systems Operating System: All


openSCADAA® is a open source SCADA system written in JAVA.

developer Developer: Openscada
license License: Freeware
operating systems Operating System: Windows; Mac; Linux


CMakeScript is an extension to CMake, a cross-platform, open-source build system.

developer Developer: Cmakescript
license License: Freeware
operating systems Operating System: All


OpenEiffel is the Open Source Eiffel System - Compiler, Workbench, Libraries: Participate.

developer Developer: Openeiffel
license License: Freeware
operating systems Operating System: Windows; Linux


PHP Open Source for System i (alias AS400, i5).

developer Developer: Wi400
license License: Freeware
operating systems Operating System: All


OSICS (Open Source Industrial Control System) is an open source SCADA system.

developer Developer: Osics
license License: Freeware
operating systems Operating System: All


Readybeans is an open source ERP system based on J2EE technologies and XUL for the user interface.

developer Developer: Readybeans
license License: Freeware
operating systems Operating System: All


VirtualBox images of open-source operating systems.

developer Developer: Osmatrix
license License: Freeware
operating systems Operating System: All


SkyEye is an open source embedded system emulator.

developer Developer: Skyeyegui
license License: Freeware
operating systems Operating System: All


YetAnotherForum.

developer Developer: Jaben Cargman
license License: GNU General Public License (GPL)
operating systems Operating System: Win


Ants is a free, web-based and open source Applicant tracking system based on Mantis* and t is released under the terms of the GNU General Public License (GPL).

developer Developer: ATS
license License: GNU General Public License (GPL)
operating systems Operating System: All