JSLinux vs QEMU: catalog facts
 JSLinux |  QEMU |
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Free Free to use in the browser. |
Free Free and open source, with no paid edition. |
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Web |
Windows, macOS, Linux, Command line |
- Runs entirely in the browser with nothing to install
- Covers x86, x86_64 and RISC-V systems
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- Emulates whole machines across processor architectures, not just same-architecture VMs
- Near native performance when paired with KVM or Xen
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- Slower than a native virtual machine
- Some systems have long boot times
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- Raw QEMU is a command line tool with a large and unfriendly option surface
- Cross-architecture emulation is far slower than virtualisation on matching hardware
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Web application |
Downloadable app |
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Closed source |
Open source |
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License not stated |
License: GPL-2.0 |
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No account needed |
No account needed |
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Needs internet |
Works offline |
Checked September 23, 2026 | Checked September 20, 2026 |
Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.
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