Monitorix

The open-source AIOps and alert management platform

Continuous Profiling Platform. Debug performance issues down to a single line of code

Self-hosted, lightweight server and website monitoring and O&M tool

Libre Hardware Monitor is free software that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.

A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more.

A simple server monitor tool.