--- title: PCjs Machines | daily.dev description: PCjs is an open-source project that emulates classic computing hardware in the browser using JavaScript. It covers IBM PCs, IBM PC compatibles, DEC... canonical: https://daily.dev/posts/pcjs-machines-teulc76kk twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: PCjs Machines | daily.dev og:description: PCjs is an open-source project that emulates classic computing hardware in the browser using JavaScript. It covers IBM PCs, IBM PC compatibles, DEC... og:url: https://daily.dev/posts/pcjs-machines-teulc76kk og:image: https://api.daily.dev/og/posts/TEUlC76KK.png og:image:alt: PCjs Machines og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # PCjs Machines **[Hacker News](https://daily.dev/sources/hn)** · 1 min read · 0 upvotes · 0 comments ## Summary PCjs is an open-source project that emulates classic computing hardware in the browser using JavaScript. It covers IBM PCs, IBM PC compatibles, DEC minicomputers, VT100 terminals, programmable calculators, and arcade games. Users can run vintage DOS, Windows, and OS/2 software directly in a desktop or mobile browser, and explore an archive of historical public domain software and documentation. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [EmulatorJS/EmulatorJS: A web-based frontend for RetroArch](https://daily.dev/posts/emulatorjs-emulatorjs-a-web-based-frontend-for-retroarch-nzqdju1az) · Hacker News · 34 upvotes · 0 comments - [A VIC-20 Emulator In Your Browser](https://daily.dev/posts/a-vic-20-emulator-in-your-browser-zo61dhis5) · Hackaday · 0 upvotes · 0 comments - [x86CSS](https://daily.dev/posts/x86css-qw7roije1) · Lobsters · 1 upvotes · 0 comments - [Visual 6502 in JavaScript](https://daily.dev/posts/visual-6502-in-javascript-xnvvgdyxv) · Hacker News · 0 upvotes · 0 comments - [V86 x86 Emulator](https://daily.dev/posts/v86-x86-emulator-qfvofvfug) · Two Stop Bits · 0 upvotes · 0 comments --- Tags: [#javascript](https://daily.dev/tags/javascript) [View this post on daily.dev](https://daily.dev/posts/pcjs-machines-teulc76kk) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"PCjs Machines","url":"https://daily.dev/posts/pcjs-machines-teulc76kk","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/pcjs-machines-teulc76kk"},"datePublished":"2026-07-21T17:06:50.326Z","dateModified":"2026-07-21T17:23:51.796Z","description":"PCjs is an open-source project that emulates classic computing hardware in the browser using JavaScript. It covers IBM PCs, IBM PC compatibles, DEC...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/26e6fffdb54c32fd011a319acbbdcaaa?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/26e6fffdb54c32fd011a319acbbdcaaa?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Hacker News","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hacker News","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/hn","url":"https://daily.dev/sources/hn"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/pcjs-machines-teulc76kk","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"javascript","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hacker News","item":"https://daily.dev/sources/hn"},{"@type":"ListItem","position":3,"name":"PCjs Machines"}]} ```