ReactOS 0.4.3 Desktop
|Written in||C, C++|
|Source model||Open source|
|Latest release||0.4.3 / November 16, 2016|
|Latest preview||0.4.3 RC1 / October 31, 2016|
|Marketing target||Personal computing|
|Kernel type||Hybrid (designed to be compatible with Windows NT and beyond)|
|Default user interface||Graphical (ReactOS Explorer)|
|License||GNU GPL v2+ with parts under LGPL and BSD licenses|
Development began in 1996, as a Windows 95 clone project, and was continued as ReactOS in 1998, with the incremental addition of features of later Windows versions. ReactOS has been noted as a potential open-source drop-in replacement for Windows and for its information on undocumented Windows APIs. As stated on the official website, "The main goal of the ReactOS project is to provide an operating system which is binary compatible with Windows ... such that people accustomed to the familiar user interface of Windows would find using ReactOS straightforward. The ultimate goal of ReactOS is to allow you to remove Windows and install ReactOS without the end user noticing the change." As of July 2016[update], ReactOS is considered alpha software, feature-incomplete but with many Windows applications already working (e.g. Adobe Reader 6.0, OpenOffice etc.), and therefore recommended by the developers only for evaluation and testing purposes.
ReactOS is primarily written in C, with some elements, such as ReactOS File Explorer, written in C++. The project partially implements Windows API functionality and has been ported to the AMD64 processor architecture. ReactOS, as part of the FOSS ecosystem, re-uses and collaborates with many other FOSS projects, most notably the Wine project which develops a Windows compatibility layer for Unix-like operating systems.
- 1 History
- 2 Release history
- 3 Development
- 4 Forks
- 5 Reception
- 6 See also
- 7 References
- 8 External links
While FreeWin95 had started out with high expectations, there still had not been any builds released to the public by the end of 1997. As a result, the project members, led by coordinator Jason Filby, joined together to revive the project. The revived project sought to duplicate the functionality of Windows NT. In creating the new project, a new name, ReactOS, was chosen. The project began development in February 1998 by creating the basis for a new NT kernel and basic drivers. The name ReactOS was coined during an IRC chat. While the term "OS" stood for operating system, the term "react" referred to the group's dissatisfaction with – and reaction to – Microsoft's monopolistic position.
Ekush OS fork
In 2004, a copyright / license violation of ReactOS GPL'ed code (and other FOSS code) was found when someone distributed a ReactOS fork under the name Ekush OS. The webpage later went offline.
In order to avoid copyright prosecution, ReactOS must be expressively completely distinct and non-derivative from Windows, a goal which needs very careful work. A claim was made on 17 January 2006, by now former developer Hartmut Birr on the ReactOS developers mailing list (ros-dev) that ReactOS contained code derived from disassembling Microsoft Windows. The code that Birr disputed involved the function BadStack in syscall.S. as well as other unspecified items. Comparing this function to disassembled binaries from Windows XP, Birr argued that the BadStack function was simply copy-pasted from Windows XP, given that they were identical. Alex Ionescu, the author of the code, asserted that while the Windows XP binary in question was indeed disassembled and studied, the code was not merely copy-pasted, but reimplemented; the reason why the functions were identical, Ionescu claimed, was because there was only one possible way to implement the function.
On 27 January 2006, the developers responsible for maintaining the ReactOS code repository disabled access after a meeting was held to discuss the allegations. When approached by NewsForge, Microsoft declined to comment about the incident. Since ReactOS is a free and open-source software development project, the claim triggered a negative reaction by the free software community; in particular, Wine barred several (as of 2016) inactive developers from providing contributions and formal high level cooperation between the two projects remains difficult to this date. Contributions from several active ReactOS developers have been accepted post-audit, and low level cooperation for bug fixes still occurs.
In a statement on its website, ReactOS cited differing legal definitions of what constitutes clean-room reverse engineering as a cause for the conflict. Some countries, including the United States, require that a reimplementation based on disassembled code must be written by someone other than the person having disassembled and examined the original code, whereas other countries allow both tasks to be performed by the same individual. Consequently, ReactOS clarified that its Intellectual Property Policy Statement requirements on clean room reverse engineering conform to US law. An internal source code audit was conducted to ensure that only clean room reverse engineering was used, and all developers were made to sign an agreement committing them to comply with the project's policies on reverse engineering. Contributors to its development were not affected by these events, and all access to the software development tools was restored shortly afterward. In September 2007, with the audit nearing completion, the audit status was removed from the ReactOS homepage. Though the audit was completed, specific details were not made public as it was only an internal effort to ensure compliance with the project's own policies.
Much of the assembly code that was allegedly copied has also been replaced as a natural progression in ReactOS development, with developers having reimplemented the functionality in C for portability reasons.
Google Summer of Code participation
Starting in 2006 the ReactOS project participated in several Google Summer of Codes. For example, in the GSoC 2011 ReactOS mentored a student project which integrated lwIP into the network stack. ReactOS participated overall until today three times on GSoC; 2006, 2011, and 2016.
Demonstrations of the operating system have been given, mainly to Russian political figures. Viktor Alksnis met with project coordinator Aleksey Bragin, who gave a presentation and demonstration of the project, showing ReactOS running with Total Commander and Mozilla Firefox in 2007. Dmitry Medvedev was also given a demonstration during a visit as President of Russia to a high school in Verhnerusskoe, Stavropol, attended by one of the development team members in 2011.
On 1 May 2012 a 30,000 euro funding campaign was started to finance additional development projects. On the end of the year approximately 50% of the funding goal was achieved and it was decided to continue the funding campaign without deadlines. The money went to ReactOS Deutschland e. V.. As the tax law in Germany for this form of a registered voluntary association (Eingetragener Verein) makes it problematic to pay developers directly, indirect possibilities like stipends were evaluated.
Thorium Core Cloud Desktop project
When ReactOS was awarded as Project of the Month on SourceForge on June 2013, a crowdfunding campaign on Kickstarter was announced in an interview with the project's coordinator, Aleksey Bragin. On 23 December 2013 the announced project was revealed as a Kickstarter campaign with the goal of US$120,000 was started. The Thorium Core Cloud Desktop dubbed cloud computing service would use ReactOS as core and could allow the use of Windows compatible applications from mobile devices (like smartphones, tablets), workstations, or any other connected device. On 21 February 2014, fundraising ended short of the target amount, with $48,965 of $120,000 raised, resulting in no transferred money.
ReactOS Community Edition
In April 2014, the ReactOS project announced an Indiegogo campaign to launch ReactOS Community Edition, a version of ReactOS based on the 0.4 release. The flexible funding campaign had a goal of US$50,000 with additional stretch goals beyond that. Development of ReactOS Community Edition would be community-centric, with ReactOS users voting and funding to decide which software and hardware drivers the project will aim to support. On 1 June 2014, the flexible crowdfunding campaign on Indiegogo was finished with raising $25,141 for the development of the community edition, and the voting process to support hardware and software was started shortly after.
ReactOS Hackfest 2015
|System version||Release date||Release information|
|Old version, no longer supported: 0.2.0||January 25, 2004||First release with working GUI|
|Old version, no longer supported: 0.2.1||2004-03-03||Bug fixes only|
|Old version, no longer supported: 0.2.2||2004-04-27||Bug fixes only|
|Old version, no longer supported: 0.2.3||2004-06-26||New LiveCD image, improved stability in the kernel and win32k, networking improvements and improved shell, command prompt and hardware drivers|
|Old version, no longer supported: 0.2.4||2004-09-13||Code synced with Wine, compiler fixes and cleaned up file headers|
|Old version, no longer supported: 0.2.5||2005-01-02||Imported Notepad from WINE, added Date/Time application|
|Old version, no longer supported: 0.2.6||2005-04-09||NVIDIA OpenGL hardware acceleration works, NCITool created for generating system call database files|
|Old version, no longer supported: 0.2.7||2005-08-21||New Command Prompt, My Computer and ReactOS logo icons, improved first-stage installer appearance|
|Old version, no longer supported: 0.2.8||2005-10-29||VMWare detection, CSRSS rewrite|
|Old version, no longer supported: 0.2.9||2005-12-22||Bug fixes only|
|Old version, no longer supported: 0.3.0||2006-08-27||First version to officially support networking|
|Old version, no longer supported: 0.3.1||2007-03-10||Program manager included, start of kernel rewrite|
|Old version, no longer supported: 0.3.2||skipped||Branch created but never released|
|Old version, no longer supported: 0.3.3||2007-09-12||Kernel and win32k improvements|
|Old version, no longer supported: 0.3.4||2008-01-22||Registry support rewrite, remote desktop client and Plug 'N' Play|
|Old version, no longer supported: 0.3.5||2008-06-30||Bug fixes only|
|Old version, no longer supported: 0.3.6||2008-08-06||RTL support|
|Old version, no longer supported: 0.3.7||2008-11-04||Improved x86-64; MSVC, new stacks|
|Old version, no longer supported: 0.3.8||2009-02-04||Introduced PSEH and multi-partition HDD support in LiveCD|
|Old version, no longer supported: 0.3.9||2009-04-26||24 MB minimum RAM, faster hyperspace mapping, initial sound support|
|Old version, no longer supported: 0.3.10||2009-07-05||Initial SATA support, USB keyboard/mouse support, Paint clone, initial MSVC.|
|Old version, no longer supported: 0.3.11||2009-12-16||Kdcom rewrite; Chinese/Korean fonts; compatibility updates; sound system improvements|
|Old version, no longer supported: 0.3.12||2010-10-20||Trap handler rewrite; timer and message handling rewrite; NMI support; SxS support; partial EMS support|
|Old version, no longer supported: 0.3.13||2011-03-22||Heap manager rewrite, improved SATA support, fixed graphics issues|
|Old version, no longer supported: 0.3.14||2012-02-07||ACPI enabled by default, WiFi support (unencrypted and WEP), theme support, new TCP/IP driver (LwIP), MSVC compatibility, Scatter/Gather DMA operations supported, shell32 rewrite|
|Old version, no longer supported: 0.3.15||2013-05-30||USB support for mice, keyboard, and storage devices; rewritten session management; AHCI support with updated UniATA driver; alternate ReactOS Memory Management Module has taken over all memory management responsibilities except for sections; preliminary support for debugging ReactOS components using windbg; improvements based on results from the AutoHotKey application functionality test suite; Bugfixes based on running Driver Verifier on several bundled drivers|
|Old version, no longer supported: 0.3.16||2014-02-06||CSRSS rewrite; theme support improved; network card driver for the RTL8139, allowing ReactOS to support newer versions of QEMU out of the box|
|Old version, no longer supported: 0.3.17||2014-11-05||Inclusion of an NTVDM; font improvements; bug fixes|
|Old version, no longer supported: 0.4.0||2016-02-16||Improved USB support, new File Explorer shell and theme, VirtualBox and VirtualPC support, ext2 read/write support, NTFS read support, improved networking and WiFi setup, better sound support|
|Old version, no longer supported: 0.4.1||2016-05-17||Improved Activation Context, Btrfs support, improved Shell, USB bug fixes, support for Virtual Machine Shared Folders|
|Old version, no longer supported: 0.4.2||2016-08-16||Improved Btrfs and extended file system support, ReiserFS and UFS/FFS, introduced .NET Framework 2.0 and 4.0 support, Shell fixes and improvements|
|Current stable version: 0.4.3||2016-11-16||New winsock library, initial sections support, usual bug fixes|
ReactOS core development
ReactOS is primarily written in C, with some elements, such as ReactOS Explorer and the sound stack, written in C++. The project compiles using both MinGW and Microsoft Visual Studio, and contributes to the development of the build systems used through the submission of patches to its components.
The developers aim to make the kernel and usermode APIs more compatible with Windows NT version 5.2 (Windows Server 2003) and to add support for more applications and hardware with plans to target newer versions of Windows as development matures. DirectX support is undertaken through ReactX, an in-house implementation. 2D hardware-accelerated rendering is done natively, while other drawing functionality is redirected to OpenGL as a stopgap solution.
The development progress is influenced by the size of the development team and the level of experience among them. As an estimate of the effort required to implement Windows 7, Microsoft employed 1,000 or so developers, organized into 25 teams, with each team averaging 40 developers. As of 2 September 2011[update], in the ReactOS entry in Ohloh, the page followed through the "Very large, active development team" link lists 33 developers who have contributed over a 12-month period and a cumulative total of 104 present and former users who have contributed code to the project via Subversion since its inception. In his presentation at Hackmeeting 2009 in Milan, ReactOS developer Michele C. noted that most of the developers learn about Windows architecture while working on ReactOS and have no prior knowledge.
While ReactOS targets currently mainly the x86/AMD64 PC platform, and effort to port to the ARM architecture was at one point "under way", while it didn't produce much functionality and was abandoned. Support for the Xbox, a variant IA-32 architecture, was added through the use of an architecture-specific HAL, although this, along with a port to PowerPC, are no longer actively maintained.
Collaboration and reuse
While ReactOS has the aim to build a Windows-compatible kernel as open-source software, much of the surrounding required functionality to create a complete OS is already available in the greater open-source ecosystem. When available and possible, ReactOS therefore builds on and collaborates with already existing open-source projects. Wayaround, projects like Wine, former Captive NTFS, and Longene re-use the open-source ReactOS code-base as well.
Hardware driver stack
On the hardware driver side, for instance the UniATA project provides Serial ATA drivers for ReactOS. The project has also experimented with using the FullFAT library in its rewrite of its FAT Installable File System. ReactOS makes use of the USB stack from Haiku both as a reference and as a foundation for its USB support. Mesa 3D provides OpenGL rendering.
ReactOS's network stack is built on the TCP portion of OSKit's port of the network stack in FreeBSD, along with an internally developed implementation for packet-oriented protocols like IP. Later, lwIP was integrated into the ReactOS's network stack. Windows network services like LSASS, SAM, NETLOGON, and print spooling are already available as open-source alternative by the Samba/Samba TNG project. A fork of rdesktop is used as an implementation of a client software for Microsoft's proprietary Remote Desktop Protocol.
The ReactOS and the Wine projects share the goal to run binary Windows software natively and can share therefore many dependencies and development. ReactOS uses portions of the Wine project so that it can benefit from Wine's progress in implementing the Win32 API. While Wine's NTDLL, USER32, KERNEL32, GDI32, and ADVAPI32 components cannot be used directly by ReactOS due to architectural differences, code snippets of them and other parts can be shared between both projects. The kernel is developed by ReactOS separately as Wine relies here on existing unixoid kernels.
Separately, the experimental Arwinss branch was created as an alternative means to improve USER32 and GDI32 support through an alternative implementation of the Win32 API. Whereas ReactOS's original Win32 subsystem was closely modeled after its equivalent in Windows, Arwinss combines the architecture of that subsystem with the corresponding implementation in Wine. To this end, Arwinss uses Wine's GDI32 and USER32 libraries with few changes to take fuller advantage of Wine's existing software compatibility. Arwinss also allows the user to optionally use a remote X server instead of a local display.
The Tango Desktop Project initiative provides open-source design guidelines and resources (as icons) for applications on desktop environments. FreeType is an open-source software development library, used to render text on to bitmaps and provides support for other font-related operations. The KernelEx project is an Windows-API extension and compatibility layer project, which provides open-source implementations of some Windows-APIs. Other contributing projects are MinGW, SYSLINUX, adns, ICU, GraphApp, Ext2, GNU FreeFont, DejaVu fonts, and Liberation fonts.
Forks based on ReactOS are occasionally created:
- Ekush OS (2004)
- ReactOS Server Edition
- ReactOS Server
- OpenROS (2013)
- FusionOS (2013)
- ReactOS NG (2015) — aiming for compatibility with Windows 8
- Greentea OS (2016) — aiming for accelerated and simplified development
Various people have acknowledged ReactOS and the implications of having a viable open-source drop-in replacement for Windows. A 2004 article and interview of the German weekly magazine Der Spiegel describes ReactOS as directed at Windows users who want to renounce use of proprietary commercial software without having to switch to Linux. DistroWatch, a Linux distribution's monitoring website, lists also ReactOS and describes it as "a free and open-source operating system based on the best design principles found in the Windows NT architecture.".
In his column for Free Software Magazine, David Sugar noted in 2006 that ReactOS would allow the use of applications depending on older versions of Windows whose APIs have been deprecated. He also recognized its potential to expand the total deployed base of free software, and as a resource for developers wanting to know undocumented Windows APIs in the course of writing portable applications. PC Magazine columnist John C. Dvorak remarked in 2008 that the Windows NT architecture had remained largely unchanged, making it an ideal candidate for cloning, and believed that ReactOS could be "a bigger threat than Linux to Microsoft's dominance". In response to Dvorak's column, ZDNet technology journalist Dana Blankenhorn noted in 2008 that a lack of corporate sponsors and partners had rendered the project harmless to Microsoft. Echoing this, Thom Holwerda of OSNews in 2009 categorized ReactOS under a family of hobby operating systems maintained only by small groups of developers working in their spare time, lacking the financial support of more mainstream operating systems and the legacy of formerly mainstream ones such as RISC OS.
In October 2015, a Network World review of ReactOS v0.3.17 noted impressed "It's just like running Windows 2000" and praised the extension by an application package manager, a feature the original Windows is missing.
The ReactOS Project won on the annual Seliger Youth Forum "The Best Presentation" award with 100,000 Russian rubles (≈US$2700) in 2011, attended by Alexander Rechitskiy, one of the development team members.
In 2015, ReactOS was named by the Russian Ministry of Communications as support-worthy "client operating system / Server Operating System" alternative, for its potential in reducing Russia's dependency from proprietary software imports.
- Binary code compatibility
- coLinux, a project allowing Microsoft Windows and the Linux kernel to run simultaneously in parallel on the same machine
- FreeDOS, a clone of MS-DOS
- Longene, a hybrid operating system kernel intended to be binary-compatible with both the Microsoft Windows and Linux ecosystem
- NDISwrapper, a recreation of Windows NT kernel parts inside the Linux Kernel to allow the use of Windows drivers in Linux
- Wine, compatibility layer which runs Microsoft Windows applications on Unix-like operating systems
- "ReactOS on Open Hub". openhub.net. Black Duck Open Hub. Retrieved 2014-10-24.
- "ReactOS on GitHub". github.com. GitHub. Retrieved 2014-10-24.
- "ReactOS 0.4.3 Released". ReactOS Project. ReactOS Foundation. 2016-11-16. Retrieved 2016-11-16.
- ReactOS Targets Windows 2003, Vista on OSNews posted by Thom Holwerda (March 2009)
- Russland-erklaert-ReactOS-zu-favorisierter-Windows-Alternative on heise online by Louis-F. Stahl (23 June 2015, in German)
- Sixtus, Von Mario (2004-02-20). "ReactOS: Das Nicht-Windows" (in German). Spiegel Online. Retrieved 2009-12-11.
- Dvorak, John C. (2008-04-04). "What A New OS Needs". PC Magazine. Retrieved 2009-12-11.
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- Thom Holwerda (2007-11-14). "ReactOS Gets OpenOffice.org 2 Support; New Release Plans]". OSNews.
- Tests_for_0.4.0 on reactos.org (December 2015)
- Kupfer, Matthias; Bragin, Aleksey (2010-03-14). ReactOS - Das zu Windows binärkompatible Open-Source-Betriebssystem. Chemnitzer Linux-Tage (in German). Chemnitz, Germany. Retrieved 2010-03-15.
- Royal, Simon (2014-02-16). "ReactOS: A Windows Compatible Alternative OS". lowendmac.com. Retrieved 2016-01-10.
While the main core of ReactOS is built from scratch, it has some dependencies on existing software and protocols. It uses parts of Wine, networking in the form of lwIP, USB from Haiku, as well as FreeType, Mesa3D, and UniATA.
- Holwerda, Thom (2009-01-17). "ReactOS: Looking Back Upon 2008". OSNews. Retrieved 2009-12-10.
- "ReactOS gets USB Stack, with Help from Us". Haiku. 2012-02-20. Retrieved 2016-01-02.
The ReactOS and Haiku projects have had a friendly working relationship for several years now, with each group helping the other whenever possible.
- Vincent, Brian (2004-05-15). "Interview with Steven Edwards". winehq.com. Retrieved 2016-01-06.
BV: Wine and ReactOS have had a mutually beneficial relationship. Is there anything Wine could do different that would help ReactOS development?[...] BV: You guys have certainly contributed a lot of your work back to Wine, including some of the utilities you've written. For instance, the task manager was recently ported from ReactOS. Do you guys have any plans in the works for developing more tools? Steven: I really want to see a solitaire clone make it in to Wine and ReactOS.[...] At some point we are going to have to develop replacement components for everything in Windows so if there is a program that Wine needs and ReactOS implements it then I will try to make sure it's released under a compatible license.
- Interview with Jason Filby from the ReactOS Project on OSNews by Eugenia Loli on 16 October 2001
- Loschwitz, Martin (March 2004), "Projects on the Move" (pdf), Linux Magazine, p. 87, retrieved 2009-11-18
- Ekush Emulator And its License Pains on OSNews by Eugenia Loli (10 November 2004)
- Ekush OS - stolen source code/copyright violation (archived 2004)
- EKUSH The Next Generation Operating System on akshor.com (archived 2004)
- Hancock, Terry (2008-08-29). "What if copyright didn't apply to binary executables?". Free Software Magazine. Retrieved 2016-01-25.
ReactOS aims to run actual Windows binary executable programs. This means that ReactOS must implement the entire Windows environment. Functions must do exactly what their Windows counterparts would do. In other words, like our notional parallel stew recipes, ReactOS and Windows should be functionally identical. In order to avoid copyright prosecution, though, ReactOS must be expressively completely distinct and non-derivative from Windows. This is a careful tightrope walk! ReactOS is a free, clean room re-implemented drop-in replacement for WindowsReactOS is a free, clean room re-implemented drop-in replacement for Windows So, consider this, especially regarding extremely simple library calls: is it legal for ReactOS to produce identical binary code to Windows?
- Birr, Hartmut (2006-01-18). "Bye bye". ros-dev (Mailing list). Retrieved 2009-01-03.
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- Vincent, Brian (2004-05-25). "Interview with Steven Edwards". winehq.com. Retrieved 2013-06-23.
BV: You guys have certainly contributed a lot of your work back to Wine, including some of the utilities you've written. For instance, the task manager was recently ported from ReactOS.
- Feller, Stephen (2006-02-01). "ReactOS suspends development for source code review". Linux.com. Retrieved 2009-12-10.
- Reset, Reboot, Restart, legal issues and the long road to 0.3 on reactos.org by Steven Edwards (27 January 2006)
- Schwartz, Mathew (2001-11-12). "Reverse-Engineering". computerworld.com. Retrieved 2013-06-23.
To protect against charges of having simply (and illegally) copied IBM's BIOS, Phoenix reverse-engineered it using what's called a "clean room," or "Chinese wall," approach. First, a team of engineers studied the IBM BIOS—about 8KB of code—and described everything it did as completely as possible without using or referencing any actual code. Then Phoenix brought in a second team of programmers who had no prior knowledge of the IBM BIOS and had never seen its code. Working only from the first team's functional specifications, the second team wrote a new BIOS that operated as specified.
- Hogle, Sean (2008-10-23). "Clean Room Defeats Software Infringement Claim in US Federal Court". Retrieved 2013-05-23.
[...] dirty room reverse engineering should be done in conjunction with clean room development by using two physically and electronically isolated teams where one team does dirty room reverse engineering and the other does clean room development. If a dirty room team exists, the clean room engineers can write a description of the portion of the specification that needs elaboration or clarification. The dirty room engineers then use that request to create additional functional specifications or tests.
- Bragin, Aleksey (2007-09-18). "Audit". ros-dev (Mailing list). Retrieved 2009-01-03.
- Windows Code May Be Stolen on PC World by Joris Evers (February 2004)
- Reset, Reboot, Restart, legal issues and the long road to 0.3 "Now as for the issue of leaked source code, I want to try to put all fears to rest. We don't know what the legal ramifications are for someone downloading and having leaked code, as the party that maintains copyright ownership of that code might still try to claim Trade Secrecy on information contained in the sources in a court of law. It is our point of view that the source code leaks of Windows have been spread to a broad enough audience that it would be impossible to claim the product is still under Trade Secrecy." on reactos.org by Steven Edwards (27 January 2006)
- "Google Summer of Code 2006".
This is a page lists the students and organizations that participated in the Google Summer of Code 2006 program. [...] ReactOS
- "TCP/IP driver replacement for ReactOS, using lwIP". Google. Retrieved August 9, 2011.
- Gutman, Cameron (2011-08-07). "ReactOS is now using lwIP for TCP". lwip-devel (Mailing list). Retrieved 2011-08-09.
- Alksnis, Viktor (2007-06-06). "Виктор Имантович Алкснис – Знакомство с проектом ReactOS" (in Russian). Retrieved 2009-12-11.
- "Russian President Medvedev asked to fund Windows clone". BBC News. 2011-09-13. Retrieved 2011-09-15.
- Z98 (2012-08-05). "ReactOS Presented to President Putin". ReactOS News. Retrieved 2013-06-23.
- Oliver Diedrich (2012-05-03). "ReactOS: Spenden gesucht". heise.de (in German).
- A personal appeal from ReactOS Project Coordinator Aleksey Bragin, accessed on 15 April 2013
- Spenderliste 24 December 2012, accessed on 15 April 2013 (in German)
- "January 2013 Meeting Minutes". 2013-02-07. Archived from the original on 2013-04-03. Retrieved 2013-06-19.
Late last year the German foundation learned that the contracts it was issuing for developers might not be compliant with German regulations involving non-profits. Due to this, the German foundation needed to temporarily halt payment to developers and consult with tax attorneys to determine how to proceed in a compliant manner.
- "Sourceforge POTM June 2013". Sourceforge.com. 2013-06-17. Retrieved 2013-06-17.
Well I don’t want to spread too many rumors, but I can say that we do have something in the works. If all goes well, it’s going to be announced within a week. While I cannot go into too many details, I can say that it involves Kickstarter and what we believe to be a viable commercial product based off of ReactOS.
- ReactOS Wants To Bring Open-Source Windows To The Cloud on Phoronix by Michael Larabel (22 January 2014)
- Oliver Diedrich (2014-01-21). "ReactOS: Freier Windows-Klon braucht Unterstützung]". heise.de (in German).
- Aleksey Bragin/Steven Edwards (2013-12-23). "Thorium Core Cloud Desktop". Kickstarter.com. Retrieved 2014-04-08.
- Torsten Kleinz (2014-04-08). "XP ist tot, es lebe Windows" [XP is dead, long live Windows]. Die Zeit (in German).
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- Hoffman, Chris (2014-11-14). "Why prominent 'hobbyist' operating systems face an existential crisis". PCWorld. Retrieved 2015-12-29.
ReactOS raised more than $25,000 in an Indiegogo crowdfunding campaign earlier in 2014, for the development of a community edition of the operating system.
- reactos-community-edition on Indiegogo (1 June 2014)
- ReactOS: Große Fortschritte und Stipendien für Entwickler beim freien Windows-Nachbau on heise.de by Louis-F. Stahl (2 October 2014, in German)
- Russland-erklaert-ReactOS-zu-favorisierter-Windows-Alternative on heise online by Louis-F. Stahl "Einen weiteren Schub in der Entwicklung erhofft sich die ReactOS-Community vom ersten ReactOS Hackfest, das vom 7. bis zum 12. August 2015 in Aachen stattfindet." (23 June 2015, in German)
- Russland macht ReactOS zu bevorzugter Windows-Alternative on Der Standard "Von 7. bis 12. August lädt die Entwicklergemeinde in Deutschland zum ersten ReactOS-Hackfest, das in Aachen über die Bühne gehen wird." (24 June 2015, in German)
- ReactOS Hackfest 2015 from reactos.com (accessed 2015)
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- Ionescu, Alex (2006-02-26). The ReactOS Project – An Open Source OS Platform for Learning (PDF) (Speech). University of Waterloo, Canada. Retrieved 2009-12-10.
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- Captive: NTFS Read/Write Filesystem Addon for Linux on OSNews by Eugenia Loli "They are using WINE and ReactOS code to emulate parts of Windows environment needed to make the driver work." (4 December 2003)
- Linux unified kernel 0.2.4.1 "The LUK project does not develop the Windows and the Linux userland libraries. Those libraries are offered by the Wine (or Microsoft Windows/ReactOS) project and the Linux project."
- "Universal ATA/SATA/AHCI driver for Windows NT3.51/NT4/2000/XP/2003/7". Alter.org.ua. Retrieved 2014-02-10.
- Walmsley, James (2009). "Features - Portability". Retrieved 2010-02-19.
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- "An interview with Art Yerkes, Network Developer for the ReactOS Project". Network Performance Daily. 2007-03-28. Retrieved 2010-02-22.
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- kernelex on sourceforge.net
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- ReactOS Server Edition
- ReactOS Server — Sourceforge
- OpenROS — Sourceforge
- Fusion Operating System — Sourceforge
- ReactOS NG — GitHub
- Greentea Operating System — GitHub
- reactos on distrowatch.com ReactOS is a free and open-source operating system based on the best design principles found in the Windows NT architecture. (accessed January 2016)
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In short: It's just like running Windows 2000. Except Free and Open Source. Which makes makes it feel both awesome. And dirty. And profound... also infuriating. If I'm honest, I really don't know how ReactOS makes me feel. But it's damned impressive that it exists and works so well. Beyond simply being Open Source, ReactOS has one cool features that Windows never really provided properly: An application manager that is laid out and structured like a Linux package manager. From within it you can even install a large number of FOSS software staples, such as Firefox, LibreOffice, and GIMP.
- "Russian president asked to Fund Windows Open Source Clone". Jordan Open Source Association. 2011-09-12. Retrieved 2013-06-18.
At the forum, ReactOS won "The Best Presentation" award and a grant of 100,000 rubles (approximately 2,400 JDs). In addition, around twenty large investors became interested in the project.
- "Featured projects, February 27, 2012". SourceForge.com. 2012-12-27. Retrieved 2012-12-20.
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- Minutes of the expert evaluation of projects on import substitution infrastructure software according to paragraph 4-8 of import substitution plan software, approved by order of the Ministry of Communications of Russia from 1 April 2015 №96 «On approval of import software" Russian Ministry of Communications "Direction "client operating system / Server Operating Systems" 1st place - the project "Corporate platform on the basis of domestic operating systems" [...] 2nd place - the project "Creation of the operating system open source based on ReactOS for PCs, laptops and other mobile devices," "Creating the operating system open source-based server ReactOS" (Fund "Reaktos" MSTU. AN Bauman, LLC "Parallelz Research" and others.)." (2 June 2015, translated)
- ReactOS as a second OS in Russian government's software freedom effort on reactos.org (June 2015)
- Russland macht ReactOS zu bevorzugter Windows-Alternative on Der Standard (24 June 2015, in German)
|Wikimedia Commons has media related to ReactOS.|
- Official webpages
- Reviews and interviews
- Brian Vincent (2004-05-25). "Interview with Steven Edwards". WineHQ. Archived from the original on 2009-02-05.
- Detailed review of ReactOS (from 2006)
- David Sugar (2006-01-31). "A reaction to ReactOS". Free Software Magazine. Archived from the original on 2007-08-10.
- Emma Brem (2009-11-23). "Interview with Alexey Bragin, Project Coordinator of ReactOS". Azoft.