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MangoHudOCAT
Free

Free and open source.

 Free

The open-source application is available without a license fee.

Linux Windows
  • Works with both Vulkan and OpenGL games
  • Shows frame timing as well as average FPS
  • Per-frame CSV output, not just an average frame rate
  • Works across D3D11, D3D12 and Vulkan
  • Linux only
  • Configuration is done through files and environment variables rather than a full settings app
  • Windows only
  • Upstream activity is limited
Downloadable app Downloadable app
Open source Open source
License: MIT License: MIT
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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