A suite of Monitoring Plugins (formerly known as nagios-plugins)
Disk Inspection and Monitoring
View and manage processes, services and more with this powerful tool
Free open source tool for real-time PC hardware sensor monitoring
The Network UPS Tools repository
A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU
Performance Co-Pilot
SQL operating system instrumentation and monitoring framework
Tools for BPF-based Linux IO analysis, networking, monitoring, etc.
Powerful system task manager
High performance ping tool
A Swiss army knife for your daily Linux network plumbing
Ncurses-based monitoring application for wireless network devices
GPU & Accelerator process monitoring for AMD, Apple, Huawei, Intel
Leading open-source visualization and observability platform
Performance monitoring and benchmarking suite
Nagios Open Source network monitoring software - The Standard In ITM
Open Source Monitoring System for performance and availability.
Qt overclocking tool for GNU/Linux
Intelligently block brute-force attacks by aggregating system logs
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool