#28 in Hosting & ComputeUpdated 2026-08

QEMU

by QEMU · Open source machine emulator and virtualizer

35.7 — BenchRank score out of 100

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Overview

QEMU is an open source machine emulator and virtualizer. It runs operating systems built for one machine on any supported architecture, runs individual Linux or BSD programs compiled for another target, and runs KVM and Xen virtual machines at near native performance. Releases are published as signed downloads with changelogs across several maintained branches.

Best for: Developers and sysadmins who need to run operating systems or programs built for other architectures
Pricing: The captured page shows no prices at all; QEMU is described as open source and the site links to donations and sponsors.
Runs on: macOSLinuxCLI

Strengths and trade-offs

Strengths

Full-system emulation of machines on any supported architecture
Runs single Linux/BSD programs compiled for another target
KVM and Xen virtual machines run at near native performance
Open source, with signed downloads for each release

Trade-offs

Near native speed is stated only for KVM and Xen, not for emulation
Five release branches are current at once; you must pick and track one
No paid support or SLA shown; funding comes from donations and sponsors

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 0 out of 100
Documentation: 0 out of 100
Agent friendliness: 41 out of 100
Customer sentiment: 80 out of 100
Changelog: 100 out of 100
Marketing site structure: 60 out of 100
Operational trust: 0 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 40 out of 100
Maintenance: 100 out of 100

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