qemu ☆
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Description:
Generic machine emulator and virtualizer
Type: Formula  |  Latest Version: 10.1.3@0  |  Tracked Since: Dec 7, 2025
Links: Homepage  |  formulae.brew.sh
Category: System utilities
Tags: virtualization emulation kvm hypervisor system-utilities
Install: brew install qemu
About:
QEMU is a generic and open-source machine emulator and virtualizer. When used as a virtualizer, it achieves near-native performance by executing guest code directly on the host CPU via KVM. It supports a wide variety of guest architectures including x86, ARM, and RISC-V.
Key Features:
  • Full system emulation for multiple architectures
  • Hardware-assisted virtualization (KVM) for high performance
  • Device emulation for networking, storage, and graphics
  • Live migration of virtual machines
Use Cases:
  • Running different operating systems for development or testing
  • Emulating custom or embedded hardware architectures
  • Cloud infrastructure virtualization
Alternatives:
  • VirtualBox – Cross-platform GUI-focused virtualization; generally easier for desktop users but less performant for server workloads.
  • VMware – Enterprise-grade virtualization with robust features, but largely proprietary with limited free offerings.
Version History
Detected Version Rev Change Commit
Dec 23, 2025 3:19pm 10.1.3 0 VERSION_BUMP 7966e52c
Dec 7, 2025 2:57am 0 VERSION_BUMP e771562e
Oct 20, 2025 10:58pm 0 VERSION_BUMP b01f7db4
Dec 11, 2024 4:22pm 0 VERSION_BUMP 3315f547
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