Hacker ApprovedDepartments

ReactOS

Hacker Approved

Ranked 10 of 87 operating systems by recommenders

Recommended as a free, open-source reimplementation of Windows that runs many Windows programs and drivers without phoning home; critics agree it is not yet stable enough for daily use.

Recommended as a free, open-source reimplementation of Windows that runs many Windows programs and drivers without phoning home; critics agree it is not yet stable enough for daily use.

93 people gave an opinion

recommend it
74
criticize it
19
approval share
80%
Each figure is one person. RecommendsCriticizes

Recommended in 12 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Owned for 2 years

Median of the 3 owners who said how long they have had it.

Each square is one year.

Why it carries the badge

  • 74 people recommend itNeeds 10 or more, met.
  • 3.9 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 12 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Open alternative to Windows

    “if it can run windows exes out of the box, whilst not phoning home to microsoft, it becomes an attractive proposition”

    Comment from 22 Jan 2026 in “30 Years of ReactOS”

    “It ensures WinNT survives as a platform even if Microsoft abandons it”

    Comment from 22 Jan 2026 in “30 Years of ReactOS”

    “With the way Asahi Linux, WINE and ReactOS operate - no AI, reverse-engineering has to be very carefully documented - it is much, much less likely someone can complain about violating laws and licenses.”

    Comment from 7 Sep 2026 in “Asahi Linux on M3”
  • Steady progress on few resources

    “it is impressive that is starting to have less and less problems than few years ago”

    Comment from 3 Jul 2026 in “ReactOS Implements First Windows NT6 System Call Toward Vista Compatibility”

    “They've already made a lot of progress with almost no resources as is.”

    Comment from 23 Jan 2026 in “30 Years of ReactOS”

    “Looks like a lot of improvements on long-standing hard-to-find issues”

    Comment from 31 Aug 2026 in “ReactOS 0.4.16”
  • Runs proprietary Windows drivers

    “You can run proprietary drivers with ReactOS since it replicates the driver layer too.”

    Comment from 14 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

    “ReactOS has made significant progress in supporting proprietary graphics drivers”

    Comment from 26 Mar 2026 in “ReactOS Now Works with ~90% of GPU Drivers for Windows XP/2k3 Intel, AMD, Nvidia”
  • Interesting hobby project to explore

    “This, ReactOS, and TempleOS have been my answer to the question of: "what should I install if I'm looking for something interesting?"”

    Comment from 24 Jul 2026 in “Half-Life 2 running natively on HaikuOS”

    “for a hobby OS, keeping hardware and software accessible after the rest of the world broke access, it still works”

    Comment from 14 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

    “Although not viable for daily driving yet, still fun to play around with in a VM”

    Comment from 14 May 2026 in “Classic 7 is a Windows 10 LTSC mod to look 1:1 to Windows 7”

What people warn about

Each mark is one comment

  • Not stable enough for daily use

    “the hard part is the compatibility (that is given by many still missing parts) and stability (the still defective parts)”

    Comment from 22 Jan 2026 in “30 Years of ReactOS”

    “in some ways it's closer than it feels to being acceptable as a daily driver, in others it's quite far away”

    Comment from 23 Jan 2026 in “30 Years of ReactOS”

    “Still not nearly stable enough to be used as a daily driver, but it's been getting a lot better lately.”

    Comment from 23 Jan 2026 in “30 Years of ReactOS”
  • Little practical purpose beyond replication

    “solves for a very small set of practical use cases which are not covered by real Windows, or Linux+WINE”

    Comment from 22 Jan 2026 in “30 Years of ReactOS”

    “if there was a purpose for it besides having an "is able to" replica, it would attract more people.”

    Comment from 22 Jan 2026 in “30 Years of ReactOS”

    “best viewed as an enthusiast research / challenge project with no practical use”

    Comment from 22 Jan 2026 in “ReactOS Celebrates 30 Years in Striving to Be an Open-Source Windows”
  • Slow development and little interest

    “ReactOS has been very slow to develop, and probably missed the point where it could make an impact.”

    Comment from 22 Jan 2026 in “ReactOS Celebrates 30 Years in Striving to Be an Open-Source Windows”

    “Development on the project has never been fast but somewhere around 2018 it dropped even more”

    Comment from 22 Jan 2026 in “30 Years of ReactOS”

    “there's never been enough interest in ReactOS to get it to the point where it's stable”

    Comment from 15 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

Other operating systems people recommend

The four most recommended other operating systems, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

ReactOS compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Windows1,2873,58226%1310 yrs192 owners—
macOS1,0411,92835%1211 yrs183 owners—
Linux74527773%1219 yrs116 ownersApproved
FreeBSD3359478%1220 yrs69 ownersApproved
ReactOSThis page741980%122 yrs3 ownersApproved
See all 87 operating systems, ranked

What people said

40 of the 110 comments that mention it, newest first. Each links to the original comment.

“Within a week, I would have an Open Source windows that did everything I personally needed it to do.”

RecommendsComment from 23 Oct 2026 on Hacker News

“With the way Asahi Linux, WINE and ReactOS operate - no AI, reverse-engineering has to be very carefully documented - it is much, much less likely someone can complain about violating laws and licenses.”

RecommendsComment from 7 Sep 2026 in “Asahi Linux on M3”

“I have donated to ReactOS in the past in the hopes of one day freeing myself from this hell.”

RecommendsComment from 31 Aug 2026 in “ReactOS 0.4.16”

“One of my favorite projects, maybe someday it can be a true daily driver”

RecommendsComment from 31 Aug 2026 in “ReactOS 0.4.16”

“Looks like a lot of improvements on long-standing hard-to-find issues”

RecommendsComment from 31 Aug 2026 in “ReactOS 0.4.16”

“Getting a Haiku release and a ReactOS release in such a short window is such a treat.”

RecommendsComment from 30 Aug 2026 in “ReactOS 0.4.16”

“I love this Win9x like interface aesthetica for being dense in font size/information”

RecommendsComment from 30 Aug 2026 in “ReactOS 0.4.16”

“This, ReactOS, and TempleOS have been my answer to the question of: "what should I install if I'm looking for something interesting?"”

RecommendsComment from 24 Jul 2026 in “Half-Life 2 running natively on HaikuOS”

“FreeBSD, OpenBSD, heck even ReactOS are all things you can use and make better instead”

RecommendsComment from 18 Jul 2026 in “Open Source is not immune to monopoly”

“it is impressive that is starting to have less and less problems than few years ago”

RecommendsComment from 3 Jul 2026 in “ReactOS Implements First Windows NT6 System Call Toward Vista Compatibility”

“there isn't a real benefit to developers developing for ReactOS as a proxy for developing for Windows”

RecommendsComment from 1 Jul 2026 in “Microsoft Needs Windows Lite”

“If ReactOS had worked this well 20 years ago, I would probably have used it (I did try it a couple of times).”

MixedComment from 15 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

“there's never been enough interest in ReactOS to get it to the point where it's stable”

CriticizesComment from 15 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

“It's far easier to port ReactOS than Windows to ARM and other new CPU ISAs.”

RecommendsComment from 14 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

“last time I tried, I could not connect to the internet, and that was a breaking point for me”

MixedComment from 14 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

“You can run proprietary drivers with ReactOS since it replicates the driver layer too.”

RecommendsComment from 14 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

“It would be great if we could combine ReactOS with Good old Games to build a retro Windows games distribution.”

RecommendsComment from 14 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

“for a hobby OS, keeping hardware and software accessible after the rest of the world broke access, it still works”

RecommendsComment from 14 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

“ReactOS was not created only to run half-life. It's just one of their many impressive achievements.”

RecommendsComment from 14 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

“they reimplemented directx without vulkan, that's indeed in a league of their own”

RecommendsComment from 14 Jun 2026 in “ReactOS (FOSS "Windows") achieves 3D-accelerated Half-Life on real hardware”

“Although not viable for daily driving yet, still fun to play around with in a VM”

MixedComment from 14 May 2026 in “Classic 7 is a Windows 10 LTSC mod to look 1:1 to Windows 7”

“they celebrated their 30th anniversary recently which is pretty impressive”

RecommendsComment from 13 May 2026 in “ReactOS”

“ReactOS has made significant progress in supporting proprietary graphics drivers”

RecommendsComment from 26 Mar 2026 in “ReactOS Now Works with ~90% of GPU Drivers for Windows XP/2k3 Intel, AMD, Nvidia”

“ReactOS has delt itself a massive blow by hiding so much of their progress.”

MixedComment from 24 Jan 2026 in “30 Years of ReactOS”

“in some ways it's closer than it feels to being acceptable as a daily driver, in others it's quite far away”

MixedComment from 23 Jan 2026 in “30 Years of ReactOS”

“Still not nearly stable enough to be used as a daily driver, but it's been getting a lot better lately.”

MixedComment from 23 Jan 2026 in “30 Years of ReactOS”

“They've already made a lot of progress with almost no resources as is.”

RecommendsComment from 23 Jan 2026 in “30 Years of ReactOS”

“the hard part is the compatibility (that is given by many still missing parts) and stability (the still defective parts)”

MixedComment from 22 Jan 2026 in “30 Years of ReactOS”

“I bet we'll see people switching to ReactOS when it will get just stable enough”

MixedComment from 22 Jan 2026 in “30 Years of ReactOS”

“solves for a very small set of practical use cases which are not covered by real Windows, or Linux+WINE”

CriticizesComment from 22 Jan 2026 in “30 Years of ReactOS”

“Development on the project has never been fast but somewhere around 2018 it dropped even more”

CriticizesComment from 22 Jan 2026 in “30 Years of ReactOS”

“the effort is huge, and would need to be sufficient for wide desktop installs”

MixedComment from 22 Jan 2026 in “30 Years of ReactOS”

“I would like to see ReactOS succeed for various reasons, mainly philosophical.”

MixedComment from 22 Jan 2026 in “30 Years of ReactOS”

“if it can run windows exes out of the box, whilst not phoning home to microsoft, it becomes an attractive proposition”

RecommendsComment from 22 Jan 2026 in “30 Years of ReactOS”

“best viewed as an enthusiast research / challenge project with no practical use”

CriticizesComment from 22 Jan 2026 in “ReactOS Celebrates 30 Years in Striving to Be an Open-Source Windows”

“ReactOS has been very slow to develop, and probably missed the point where it could make an impact.”

CriticizesComment from 22 Jan 2026 in “ReactOS Celebrates 30 Years in Striving to Be an Open-Source Windows”

“if there was a purpose for it besides having an "is able to" replica, it would attract more people.”

MixedComment from 22 Jan 2026 in “30 Years of ReactOS”

“It ensures WinNT survives as a platform even if Microsoft abandons it”

RecommendsComment from 22 Jan 2026 in “30 Years of ReactOS”

“Be great to get this to build on ReactOS as just a hobby or side effort”

MixedComment from 3 Jan 2026 in “The C3 Programming Language”

“it reimplements not only win32 API/ABI, but also the NT kernel with its stable API/ABI”

RecommendsComment from 13 Nov 2025 in “Microsoft confirms Windows 11 is about to change”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.