Compare software

PCjs vs v86: catalog facts
PCjsv86
Free

Free to use in the browser, with source published on GitHub.

Free

Free and open source.

Web Web
  • Runs vintage DOS, Windows and OS/2 machines with no installation
  • Works on desktop and mobile browsers, including iPhone and iPad
  • Runs whole operating systems in a browser tab
  • x86-to-WebAssembly JIT for better speed
  • Limited to a curated set of machines and configurations
  • Emulates slow period hardware, not suited to modern workloads
  • Slower than native virtualization
  • Best suited to older or lightweight operating systems
Web application Web application
Open source Open source
License not stated License not stated
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.