MangoHud

Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load, and more while gaming on Linux.

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MangoHud is a free, open-source overlay for Linux that shows real-time FPS, temperatures, CPU/GPU load, and other performance metrics directly on screen while gaming or benchmarking. It supports configurable presets and both online and local logging of performance data over time. It's aimed at Linux gamers and benchmarkers who want to monitor system performance without switching away from the game.

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Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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