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Libre Hardware MonitorSidebar Diagnostics
Free

Free and open source under the MPL 2.0.

 Free

Free and open source under the GPL-3.0 licence.

Windows Windows
  • Reads motherboard, CPU, GPU, drive and network card sensors
  • Also a library, so other tools can use it as their sensor backend
  • Always-visible sidebar instead of a separate window
  • Covers CPU, RAM, GPU, network and drives
  • Windows only
  • Needs administrator rights to read low-level sensors
  • Windows only
  • Last code change was in early 2024
Downloadable app Downloadable app
Open source Open source
License: MPL-2.0 License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked October 2, 2026

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