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MangoHudFPS Monitor
Free

Free and open source.

 Freemium

Pricing details were not stated in the research.

Linux Windows
  • Works with both Vulkan and OpenGL games
  • Shows frame timing as well as average FPS
  • Shows FPS and hardware sensors together in the game
  • Highly configurable overlay per sensor
  • Linux only
  • Configuration is done through files and environment variables rather than a full settings app
  • Windows only
  • Closed source
Downloadable app Downloadable app
Open source Closed source
License: MIT License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked September 24, 2026

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