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KDiskMarkDiskSpd
Free

Free and open source.

 Free

Free and open source from Microsoft.

Linux Windows, Command line
  • Simple interface over the fio benchmark engine
  • Configurable block size, queues and threads
  • Built and used by Microsoft's storage engineering teams
  • Highly configurable synthetic workloads
  • Linux only
  • Relies on fio being installed
  • Command line only, with many options to learn
  • Windows only
Downloadable app Downloadable app
Open source Open source
License not stated License: MIT
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked September 24, 2026

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