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v86

Ranked 3 of 4 x86 emulators by recommenders

Free browser-based x86 emulator that boots real Linux and other operating systems in a web page, handy for sharing OS demos. Main caveat: it is 32-bit only.

Free browser-based x86 emulator that boots real Linux and other operating systems in a web page, handy for sharing OS demos. Main caveat: it is 32-bit only.

12 people gave an opinion

recommend it
9
criticize it
3
approval share
75%
Each figure is one person. RecommendsCriticizes

Recommended in 7 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: not recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 9 people recommend itNeeds 10 or more, not met.
  • 3 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 7 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

  • Easy to share OS demos

    “it's so much easier to send people a link to a web page to poke at your OS than to send them an image”

    Comment from 11 Nov 2025 in “How I fell in love with Erlang”

    “v86 is a really cool idea, having Aurion OS run in a browser would be amazing for demos.”

    Comment from 12 Mar 2026 in “Show HN: Aurion OS – A 32-bit GUI operating system written from scratch in C”

    “It's always fun to have an in browser demo of a little OS like this.”

    Comment from 18 Feb 2026 in “Minimal x86 Kernel Zig”
  • Good for hobby OS projects

    “v86 is a really cool idea, having Aurion OS run in a browser would be amazing for demos.”

    Comment from 12 Mar 2026 in “Show HN: Aurion OS – A 32-bit GUI operating system written from scratch in C”

    “A browser environment shows the thing quite well; and easy networking is cool too.”

    Comment from 9 Mar 2026 in “JSLinux Now Supports x86_64”

    “It's always fun to have an in browser demo of a little OS like this.”

    Comment from 18 Feb 2026 in “Minimal x86 Kernel Zig”
  • Maintainers accept contributions well

    “It's a nice project, and they've taken three PRs from me (so far)”

    Comment from 11 Nov 2025 in “How I fell in love with Erlang”

    “I've had a wonderful experience with submitting PRs”

    Comment from 12 Mar 2026 in “Show HN: Aurion OS – A 32-bit GUI operating system written from scratch in C”

What people warn about

Each mark is one comment

  • No 64-bit x86 support

    “Apptron uses v86 because its fast. Would love it for somebody to add 64-bit support to v86”

    Comment from 9 Mar 2026 in “JSLinux Now Supports x86_64”

    “currently v86 is 32-bit only and OCaml 5 has dropped support for native 32-bit backends”

    Comment from 16 Jun 2026 in “An O(x)Caml book that runs”

    “x86_64 is not supported yet”

    Comment from 9 Mar 2026 in “JSLinux Now Supports x86_64”

Other x86 emulators people recommend

The three most recommended other x86 emulators, 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.

v86 compared with 3 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Rosetta 2311272%9—Approved
FEX-Emu23582%10—Approved
v86This page9375%7——
Box647278%5——
See all 4 x86 emulators, ranked

What people said

19 of the 21 comments that mention it, newest first. Each links to the original comment.

“I find the "alternatives" are half baked clones of v86 or crappy sandboxes that don't really add anything.”

RecommendsComment from 6 Jul 2026 in “Ask HN: What is the best version of full Linux in the browser?”

“this one is based on v86 so it will be less performant”

CriticizesComment from 6 Jul 2026 on Hacker News

“currently v86 is 32-bit only and OCaml 5 has dropped support for native 32-bit backends”

CriticizesComment from 16 Jun 2026 in “An O(x)Caml book that runs”

“which is handy for sending links to demos”

RecommendsComment from 29 May 2026 in “I Am Retiring from Tech to Live Offline”

“it's super lovely for hobby os demos”

RecommendsComment from 29 Mar 2026 in “Show HN: Crazierl – An Erlang Operating System”

“v86 is a really cool idea, having Aurion OS run in a browser would be amazing for demos.”

RecommendsComment from 12 Mar 2026 in “Show HN: Aurion OS – A 32-bit GUI operating system written from scratch in C”

“I've had a wonderful experience with submitting PRs”

RecommendsComment from 12 Mar 2026 in “Show HN: Aurion OS – A 32-bit GUI operating system written from scratch in C”

“Ooh that looks great, I'll enjoy exploring this!”

RecommendsComment from 10 Mar 2026 in “JSLinux Now Supports x86_64”

“Apptron uses v86 because its fast. Would love it for somebody to add 64-bit support to v86”

MixedComment from 9 Mar 2026 in “JSLinux Now Supports x86_64”

“A browser environment shows the thing quite well; and easy networking is cool too.”

RecommendsComment from 9 Mar 2026 in “JSLinux Now Supports x86_64”

“x86_64 is not supported yet”

CriticizesComment from 9 Mar 2026 in “JSLinux Now Supports x86_64”

“might be a more 1:1 fully open sourced alternative”

RecommendsComment from 9 Mar 2026 in “JSLinux Now Supports x86_64”

“It's always fun to have an in browser demo of a little OS like this.”

RecommendsComment from 18 Feb 2026 in “Minimal x86 Kernel Zig”

“it's not particularly easy to programmatically run shell commands via v86”

MixedComment from 26 Jan 2026 in “The Browser Is the Sandbox”

“one of the issues of copy.sh/v86 is that its ephemeral”

MixedComment from 30 Dec 2025 in “FediMeteo: A €4 FreeBSD VPS Became a Global Weather Service”

“You could provide a live online demo using v86”

RecommendsComment from 19 Nov 2025 in “I wrote a Pong game in a 512-byte boot sector”

“It's a nice project, and they've taken three PRs from me (so far)”

RecommendsComment from 11 Nov 2025 in “How I fell in love with Erlang”

“it's so much easier to send people a link to a web page to poke at your OS than to send them an image”

RecommendsComment from 11 Nov 2025 in “How I fell in love with Erlang”

“I frequently used copy.sh/v86 and was actually building a tinycore fork”

RecommendsComment from 3 Nov 2025 in “WebAssembly (WASM) arch support for the Linux kernel”

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