A suite of Monitoring Plugins (formerly known as nagios-plugins)
Self-hosted, lightweight server and website monitoring and O&M tool
Floating window used to display current network speed, CPU & memory
Hard drive monitoring, disk health, and temperature monitoring tool
Cross-platform lib for process and system monitoring in Python
pg_activity is a top like application for PostgreSQL server activity
Disk Inspection and Monitoring
Open-source systems performance monitor
Pro hard drive monitoring, disk health & temperature monitoring tool
An eye on your system
A simple, modern server dashboard
A system monitoring tool that exposes system metrics
Lightweight server monitoring hub with historical data, docker stats
Visibility into servers, applications, and infrastructure
Exporter for machine metrics
Monitorix is a free, open source, lightweight system monitoring tool
Lightweight Linux daemon that prevents unnecessary HDD spin-ups using
Web-based Traffic and Security Network Traffic Monitoring
All-in-one Polyglot Observability stack with ClickHouse storage
A remote monitoring & management tool, built with Django, Vue and Go
SQL operating system instrumentation and monitoring framework
Zeek is a powerful network analysis framework
Comprehensive Hardware Analysis, Monitoring and Reporting for Windows
Checkmate is an open-source, self-hosted tool
a pluggable app that runs a full check on the deployment