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Browser OS Emulators

Comments focus on projects like jslinux and BrowserOS that enable running full operating systems, virtual machines, or emulators directly in web browsers using JavaScript, with discussions on feasibility, demos, and related technologies.

📉 Falling 0.5x Web Development
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keepamovin (20) graderjs (18) baudaux (17) pjmlp (17) DustinBrett (16)

Keywords

REPL US CPU mozilla.org berkeley.edu HN WebView bellard.org google.co runninginproduction.com browser javascript emulator client running native vm browser based run chrome

Sample Comments

felarof • Aug 16, 2025 • View on HN

You should definitely checkout BrowserOS! -- https://github.com/browseros-ai/BrowserOS

felarof • Aug 16, 2025 • View on HN

You should definitely checkout BrowserOS! -- https://github.com/browseros-ai/BrowserOS

marshray • Aug 20, 2013 • View on HN

Why stop at the browser? http://bellard.org/jslinux/

wtracy • Sep 25, 2010 • View on HN

It runs in a browser (sort of) and apparently it doesn't require having a full OS running virtualized.

ta12653421 • May 25, 2025 • View on HN

Can this be played somehow in the browser today? Without install etc.

caycep • Mar 5, 2024 • View on HN

is this basically a VM (w gui) running on the browser?

wazoox • Jun 14, 2019 • View on HN

It's a real VM running in your browser, in Javascript.

Tistron • Nov 11, 2024 • View on HN

I can't get it to actually do anything, is it supposed to work to run programs in the browser? (mac, chrome)

wetmore • Sep 10, 2013 • View on HN

You are probably referring to the work of Fabrice Bellard?http://bellard.org/jslinux/

m1sta_ • Jan 8, 2021 • View on HN

Has anyone ever attempted a web/browser based port?